diff --git a/src/app/tape/tmainwindow.cpp b/src/app/tape/tmainwindow.cpp
index c29b10757..ebedf1311 100644
--- a/src/app/tape/tmainwindow.cpp
+++ b/src/app/tape/tmainwindow.cpp
@@ -671,18 +671,11 @@ void TMainWindow::MoveUp()
         return;
     }
 
-    QTableWidgetItem *nameField = ui->tableWidget->item(ui->tableWidget->currentRow(), 0);
+    QTableWidgetItem *nameField = ui->tableWidget->item(row, 0);
     m->MoveUp(nameField->text());
-
     MeasurementsWasSaved(false);
-
     RefreshData();
-
-    ui->tableWidget->blockSignals(true);
     ui->tableWidget->selectRow(row-1);
-    ui->tableWidget->blockSignals(false);
-
-    Controls(); // Buttons remove, up, down
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -695,18 +688,11 @@ void TMainWindow::MoveDown()
         return;
     }
 
-    QTableWidgetItem *nameField = ui->tableWidget->item(ui->tableWidget->currentRow(), 0);
+    QTableWidgetItem *nameField = ui->tableWidget->item(row, 0);
     m->MoveDown(nameField->text());
-
     MeasurementsWasSaved(false);
-
     RefreshData();
-
-    ui->tableWidget->blockSignals(true);
     ui->tableWidget->selectRow(row+1);
-    ui->tableWidget->blockSignals(false);
-
-    Controls(); // Buttons remove, up, down
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -727,7 +713,7 @@ void TMainWindow::Fx()
 
     QString text = ui->plainTextEditFormula->toPlainText();
     text.replace("\n", " ");
-
+    text = qApp->TrVars()->FormulaFromUser(text, true);
     dialog->SetFormula(text);
     const QString postfix = VDomDocument::UnitsToStr(mUnit, true);//Show unit in dialog lable (cm, mm or inch)
     dialog->setPostfix(postfix);
@@ -752,7 +738,7 @@ void TMainWindow::AddCustom()
     QString name;
     do
     {
-        name = QString(CustomSign + tr("M_%1")).arg(num);
+        name = CustomMSign + tr("M_%1").arg(num);
         num++;
     } while (data->IsUnique(name) == false);
 
@@ -1000,7 +986,7 @@ void TMainWindow::ShowMData()
         }
         else
         {
-            EvalFormula(meash->GetFormula(), meash->GetData(), ui->labelCalculatedValue);
+            EvalFormula(meash->GetFormula(), false, meash->GetData(), ui->labelCalculatedValue);
 
             ui->plainTextEditFormula->blockSignals(true);
 
@@ -1093,7 +1079,7 @@ void TMainWindow::SaveMName()
     QString newName = ui->lineEditName->text();
     if (meash->IsCustom())
     {
-        newName = CustomSign + newName;
+        newName = CustomMSign + newName;
     }
 
     if (data->IsUnique(newName))
@@ -1144,23 +1130,26 @@ void TMainWindow::SaveMValue()
         return;
     }
 
-    QString formula;
-    try
+    // Translate to internal look.
+
+    QSharedPointer<VMeasurement> meash = data->GetVariable<VMeasurement>(nameField->text());
+    const bool ok = EvalFormula(text, true, meash->GetData(), ui->labelCalculatedValue);
+
+    if (not ok)
     {
-        // Translate to internal look.
-        formula = qApp->TrVars()->FormulaFromUser(text, true);
-        QSharedPointer<VMeasurement> meash = data->GetVariable<VMeasurement>(nameField->text());
-        EvalFormula(formula, meash->GetData(), ui->labelCalculatedValue);
-    }
-    catch (qmu::QmuParserError &e)
-    {
-        const QString postfix = VDomDocument::UnitsToStr(mUnit);//Show unit in dialog lable (cm, mm or inch)
-        ui->labelCalculatedValue->setText(tr("Error") + " (" + postfix + "). " +
-                                          tr("Parser error: %1").arg(e.GetMsg()));
         return;
     }
 
-    m->SetMValue(nameField->text(), formula);
+    try
+    {
+        const QString formula = qApp->TrVars()->FormulaFromUser(text, true);
+        m->SetMValue(nameField->text(), formula);
+    }
+    catch (qmu::QmuParserError &e) // Just in case something bad happens
+    {
+        Q_UNUSED(e)
+        return;
+    }
 
     MeasurementsWasSaved(false);
 
@@ -1809,7 +1798,7 @@ void TMainWindow::MFields(bool enabled)
 QString TMainWindow::ClearCustomName(const QString &name) const
 {
     QString clear = name;
-    const int index = clear.indexOf(CustomSign);
+    const int index = clear.indexOf(CustomMSign);
     if (index == 0)
     {
         clear.remove(0, 1);
@@ -1818,20 +1807,29 @@ QString TMainWindow::ClearCustomName(const QString &name) const
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void TMainWindow::EvalFormula(const QString &formula, VContainer *data, QLabel *label)
+bool TMainWindow::EvalFormula(const QString &formula, bool fromUser, VContainer *data, QLabel *label)
 {
     const QString postfix = VDomDocument::UnitsToStr(pUnit);//Show unit in dialog lable (cm, mm or inch)
     if (formula.isEmpty())
     {
-        label->setText(tr("Error") + " (" + postfix + ")");
+        label->setText(tr("Error") + " (" + postfix + "). " + tr("Empty field."));
         label->setToolTip(tr("Empty field"));
+        return false;
     }
     else
     {
         try
         {
             // Replace line return character with spaces for calc if exist
-            QString f = formula;
+            QString f;
+            if (not fromUser)
+            {
+                f = qApp->TrVars()->FormulaFromUser(formula, true);
+            }
+            else
+            {
+                f = formula;
+            }
             f.replace("\n", " ");
             Calculator *cal = new Calculator(data, mType);
             const qreal result = UnitConvertor(cal->EvalFormula(f), mUnit, pUnit);
@@ -1839,11 +1837,13 @@ void TMainWindow::EvalFormula(const QString &formula, VContainer *data, QLabel *
 
             label->setText(qApp->LocaleToString(result) + " " +postfix);
             label->setToolTip(tr("Value"));
+            return true;
         }
         catch (qmu::QmuParserError &e)
         {
-            label->setText(tr("Error") + " (" + postfix + ")");
+            label->setText(tr("Error") + " (" + postfix + "). " + tr("Parser error: %1").arg(e.GetMsg()));
             label->setToolTip(tr("Parser error: %1").arg(e.GetMsg()));
+            return false;
         }
     }
 }
@@ -1885,7 +1885,7 @@ void TMainWindow::GUIReadOnly(bool ro)
     {
         if (QTableWidgetItem *nameField = ui->tableWidget->item(ui->tableWidget->currentRow(), 0))
         {
-            if (nameField->text().indexOf(CustomSign) == 0) // Check if custom
+            if (nameField->text().indexOf(CustomMSign) == 0) // Check if custom
             {
                 ui->lineEditName->setReadOnly(ro);
             }
diff --git a/src/app/tape/tmainwindow.h b/src/app/tape/tmainwindow.h
index 6438bcfe3..f08151efc 100644
--- a/src/app/tape/tmainwindow.h
+++ b/src/app/tape/tmainwindow.h
@@ -166,7 +166,7 @@ private:
 
     QString ClearCustomName(const QString &name) const;
 
-    void EvalFormula(const QString &formula, VContainer *data, QLabel *label);
+    bool EvalFormula(const QString &formula, bool fromUser, VContainer *data, QLabel *label);
 
     void Open(const QString &pathTo, const QString &filter);
     void GUIReadOnly(bool ro);
diff --git a/src/app/valentina/core/vapplication.cpp b/src/app/valentina/core/vapplication.cpp
index ed4725db3..c1d42048c 100644
--- a/src/app/valentina/core/vapplication.cpp
+++ b/src/app/valentina/core/vapplication.cpp
@@ -35,6 +35,7 @@
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../version.h"
 #include "../vmisc/logging.h"
+#include "../qmuparser/qmuparsererror.h"
 
 #include <QDebug>
 #include <QDir>
@@ -264,9 +265,17 @@ bool VApplication::notify(QObject *receiver, QEvent *event)
         e.CriticalMessageBox(tr("Something's wrong!!"), mainWindow);
         return true;
     }
+    // These last two cases special. I found that we can't show here modal dialog with error message.
+    // Somehow program doesn't waite untile an error dialog will be closed. But if ignore this program will hang.
+    catch (const qmu::QmuParserError &e)
+    {
+        qCDebug(vApp, "Parser error: %s", e.GetMsg().toUtf8().constData());
+        abort();
+    }
     catch (std::exception& e)
     {
-      qCritical() << "Exception thrown:" << e.what();
+        qCDebug(vApp, "Critical error! Exception thrown: %s", e.what());
+        abort();
     }
     return false;
 }
diff --git a/src/app/valentina/dialogs/dialogincrements.cpp b/src/app/valentina/dialogs/dialogincrements.cpp
index d0752613f..f5d960bb7 100644
--- a/src/app/valentina/dialogs/dialogincrements.cpp
+++ b/src/app/valentina/dialogs/dialogincrements.cpp
@@ -28,14 +28,16 @@
 
 #include "dialogincrements.h"
 #include "ui_dialogincrements.h"
-#include "../../libs/vwidgets/doubledelegate.h"
-#include "../../libs/vwidgets/textdelegate.h"
-#include "../../libs/vwidgets/vwidgetpopup.h"
+#include "../vwidgets/doubledelegate.h"
+#include "../vwidgets/textdelegate.h"
+#include "../vwidgets/vwidgetpopup.h"
 #include "../xml/vstandardmeasurements.h"
 #include "../xml/vindividualmeasurements.h"
-#include "../../libs/vmisc/vsettings.h"
-#include "../../libs/qmuparser/qmudef.h"
-#include "../../libs/vpatterndb/vtranslatevars.h"
+#include "../vmisc/vsettings.h"
+#include "../qmuparser/qmudef.h"
+#include "../vpatterndb/vtranslatevars.h"
+#include "../vpatterndb/calculator.h"
+#include "../vtools/dialogs/support/dialogeditwrongformula.h"
 
 #include <QFileDialog>
 #include <QDir>
@@ -45,6 +47,8 @@
 #include <QSettings>
 #include <QTableWidgetItem>
 
+#define DIALOG_MAX_FORMULA_HEIGHT 64
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief DialogIncrements create dialog
@@ -53,22 +57,20 @@
  * @param parent parent widget
  */
 DialogIncrements::DialogIncrements(VContainer *data, VPattern *doc, QWidget *parent)
-    :DialogTool(data, NULL_ID, parent), ui(new Ui::DialogIncrements), data(data), doc(doc), row(0), column(0)
+    :DialogTool(data, NULL_ID, parent),
+      ui(new Ui::DialogIncrements),
+      data(data),
+      doc(doc),
+      formulaBaseHeight(0)
 {
     ui->setupUi(this);
+    formulaBaseHeight = ui->plainTextEditFormula->height();
 
     qApp->Settings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
 
     qCDebug(vDialog, "Showing variables.");
     ShowUnits();
 
-    TextDelegate *textDelegate = new TextDelegate(NameRegExp(), data, ui->tableWidgetIncrement);
-    ui->tableWidgetIncrement->setItemDelegateForColumn(0, textDelegate);// name
-    DoubleSpinBoxDelegate *doubleDelegate = new DoubleSpinBoxDelegate(ui->tableWidgetIncrement);
-    ui->tableWidgetIncrement->setItemDelegateForColumn(2, doubleDelegate);// base value
-    ui->tableWidgetIncrement->setItemDelegateForColumn(3, doubleDelegate);// in sizes
-    ui->tableWidgetIncrement->setItemDelegateForColumn(4, doubleDelegate);// in heights
-
     FillIncrements();
     FillLengthsLines();
     FillLengthLinesAngles();
@@ -78,15 +80,29 @@ DialogIncrements::DialogIncrements(VContainer *data, VPattern *doc, QWidget *par
     FillAnglesArcs();
     FillAnglesCurves();
 
-    connect(ui->tableWidgetIncrement, &QTableWidget::cellChanged, this, &DialogIncrements::IncrementChanged);
-    connect(ui->toolButtonAdd, &QPushButton::clicked, this, &DialogIncrements::clickedToolButtonAdd);
-    connect(ui->toolButtonRemove, &QPushButton::clicked, this, &DialogIncrements::clickedToolButtonRemove);
-
     connect(this, &DialogIncrements::FullUpdateTree, this->doc, &VPattern::LiteParseTree);
-    connect(this, &DialogIncrements::haveLiteChange, this->doc, &VPattern::haveLiteChange);
     connect(this->doc, &VPattern::FullUpdateFromFile, this, &DialogIncrements::FullUpdateFromFile);
 
     ui->tabWidget->setCurrentIndex(0);
+    ui->lineEditName->setValidator( new QRegularExpressionValidator(QRegularExpression(NameRegExp())));
+
+    connect(ui->tableWidgetIncrement, &QTableWidget::itemSelectionChanged, this,
+            &DialogIncrements::ShowIncrementDetails);
+
+    connect(ui->toolButtonAdd, &QPushButton::clicked, this, &DialogIncrements::AddIncrement);
+    connect(ui->toolButtonRemove, &QToolButton::clicked, this, &DialogIncrements::RemoveIncrement);
+    connect(ui->toolButtonUp, &QToolButton::clicked, this, &DialogIncrements::MoveUp);
+    connect(ui->toolButtonDown, &QToolButton::clicked, this, &DialogIncrements::MoveDown);
+    connect(ui->pushButtonGrow, &QPushButton::clicked, this, &DialogIncrements::DeployFormula);
+    connect(ui->toolButtonExpr, &QToolButton::clicked, this, &DialogIncrements::Fx);
+    connect(ui->lineEditName, &QLineEdit::editingFinished, this, &DialogIncrements::SaveIncrName);
+    connect(ui->plainTextEditDescription, &QPlainTextEdit::textChanged, this, &DialogIncrements::SaveIncrDescription);
+    connect(ui->plainTextEditFormula, &QPlainTextEdit::textChanged, this, &DialogIncrements::SaveIncrFormula);
+
+    if (ui->tableWidgetIncrement->rowCount() > 0)
+    {
+        ui->tableWidgetIncrement->selectRow(0);
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -95,6 +111,9 @@ DialogIncrements::DialogIncrements(VContainer *data, VPattern *doc, QWidget *par
  */
 void DialogIncrements::FillIncrements()
 {
+    ui->tableWidgetIncrement->blockSignals(true);
+    ui->tableWidgetIncrement->clearContents();
+
     const QMap<QString, QSharedPointer<VIncrement> > increments = data->DataIncrements();
     QMap<QString, QSharedPointer<VIncrement> >::const_iterator i;
     QMap<quint32, QString> map;
@@ -102,59 +121,39 @@ void DialogIncrements::FillIncrements()
     for (i = increments.constBegin(); i != increments.constEnd(); ++i)
     {
         QSharedPointer<VIncrement> incr = i.value();
-        map.insert(incr->getId(), i.key());
+        map.insert(incr->getIndex(), i.key());
     }
 
     qint32 currentRow = -1;
     QMapIterator<quint32, QString> iMap(map);
+    ui->tableWidgetIncrement->setRowCount ( increments.size() );
     while (iMap.hasNext())
     {
         iMap.next();
         QSharedPointer<VIncrement> incr = increments.value(iMap.value());
         currentRow++;
-        ui->tableWidgetIncrement->setRowCount ( increments.size() );
 
-        QTableWidgetItem *item = new QTableWidgetItem(iMap.value());
-        item->setTextAlignment(Qt::AlignHCenter);
-        item->setFont(QFont("Times", 12, QFont::Bold));
-        item->setData(Qt::UserRole, incr->getId());
-        ui->tableWidgetIncrement->setItem(currentRow, 0, item);
+        AddCell(ui->tableWidgetIncrement, incr->GetName(), currentRow, 0, Qt::AlignVCenter); // name
+        AddCell(ui->tableWidgetIncrement, qApp->LocaleToString(*incr->GetValue()), currentRow, 1,
+                Qt::AlignHCenter | Qt::AlignVCenter, incr->IsFormulaOk()); // calculated value
 
-        if (qApp->patternType() == MeasurementsType::Standard)
+        QString formula;
+        try
         {
-            item = new QTableWidgetItem(qApp->LocaleToString(data->GetTableValue(iMap.value(), qApp->patternType())));
-            item->setTextAlignment(Qt::AlignHCenter);
-            SetItemViewOnly(item);
-            ui->tableWidgetIncrement->setItem(currentRow, 1, item);
+            formula = qApp->TrVars()->FormulaToUser(incr->GetFormula());
+        }
+        catch (qmu::QmuParserError &e)
+        {
+            Q_UNUSED(e);
+            formula = incr->GetFormula();
         }
 
-        item = new QTableWidgetItem(qApp->LocaleToString(incr->GetBase()));
-        item->setTextAlignment(Qt::AlignHCenter);
-        ui->tableWidgetIncrement->setItem(currentRow, 2, item);
-
-        if (qApp->patternType() == MeasurementsType::Standard)
-        {
-            item = new QTableWidgetItem(qApp->LocaleToString(incr->GetKsize()));
-            item->setTextAlignment(Qt::AlignHCenter);
-            ui->tableWidgetIncrement->setItem(currentRow, 3, item);
-
-            item = new QTableWidgetItem(qApp->LocaleToString(incr->GetKheight()));
-            item->setTextAlignment(Qt::AlignHCenter);
-            ui->tableWidgetIncrement->setItem(currentRow, 4, item);
-        }
-
-        item = new QTableWidgetItem(incr->GetDescription());
-        item->setToolTip(incr->GetDescription());
-        item->setTextAlignment(Qt::AlignLeft);
-        ui->tableWidgetIncrement->setItem(currentRow, 5, item);
-    }
-    if (ui->tableWidgetIncrement->rowCount()>0)
-    {
-        ui->toolButtonRemove->setEnabled(true);
+        AddCell(ui->tableWidgetIncrement, formula, currentRow, 2, Qt::AlignVCenter); // formula
     }
     ui->tableWidgetIncrement->resizeColumnsToContents();
     ui->tableWidgetIncrement->resizeRowsToContents();
-    ui->tableWidgetIncrement->setCurrentCell( row, column );
+    ui->tableWidgetIncrement->horizontalHeader()->setStretchLastSection(true);
+    ui->tableWidgetIncrement->blockSignals(false);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -237,23 +236,13 @@ void DialogIncrements::FillAnglesCurves()
     FillTable(data->DataAnglesCurves(), ui->tableWidgetAnglesCurves);
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-void DialogIncrements::SetItemViewOnly(QTableWidgetItem *item)
-{
-    // set the item non-editable (view only), and non-selectable
-    Qt::ItemFlags flags = item->flags();
-    flags &= ~(Qt::ItemIsSelectable | Qt::ItemIsEditable); // reset/clear the flag
-    item->setFlags(flags);
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 void DialogIncrements::ShowUnits()
 {
     const QString unit = VDomDocument::UnitsToStr(qApp->patternUnit());
 
-    ShowHeaderUnits(ui->tableWidgetIncrement, 2, unit);// base value
-    ShowHeaderUnits(ui->tableWidgetIncrement, 3, unit);// in sizes
-    ShowHeaderUnits(ui->tableWidgetIncrement, 4, unit);// in heights
+    ShowHeaderUnits(ui->tableWidgetIncrement, 1, unit);// calculated value
+    ShowHeaderUnits(ui->tableWidgetIncrement, 2, unit);// formula
 
     ShowHeaderUnits(ui->tableWidgetLines, 1, unit);// lengths
     ShowHeaderUnits(ui->tableWidgetSplines, 1, unit);// lengths
@@ -275,17 +264,157 @@ void DialogIncrements::ShowHeaderUnits(QTableWidget *table, int column, const QS
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void DialogIncrements::ShowSuccess() const
+void DialogIncrements::AddCell(QTableWidget *table, const QString &text, int row, int column, int aligment, bool ok)
 {
-    VWidgetPopup *popup = new VWidgetPopup();
-    QLabel *label = new QLabel(tr("Data successfully saved."));
-    QFont f = label->font();
-    f.setBold(true);
-    f.setPixelSize(16);
-    label->setFont(f);
-    popup->SetWidget(label);
-    popup->SetLifeTime(2000);
-    popup->Show(frameGeometry().center());
+    SCASSERT(table != nullptr);
+
+    QTableWidgetItem *item = new QTableWidgetItem(text);
+    item->setTextAlignment(aligment);
+
+    // set the item non-editable (view only), and non-selectable
+    Qt::ItemFlags flags = item->flags();
+    flags &= ~(Qt::ItemIsEditable); // reset/clear the flag
+    item->setFlags(flags);
+
+    if (not ok)
+    {
+        QBrush brush = item->foreground();
+        brush.setColor(Qt::red);
+        item->setForeground(brush);
+    }
+
+    table->setItem(row, column, item);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QString DialogIncrements::ClearIncrementName(const QString &name) const
+{
+    QString clear = name;
+    const int index = clear.indexOf(CustomIncrSign);
+    if (index == 0)
+    {
+        clear.remove(0, 1);
+    }
+    return clear;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool DialogIncrements::EvalIncrementFormula(const QString &formula, bool fromUser, VContainer *data, QLabel *label)
+{
+    const QString postfix = VDomDocument::UnitsToStr(qApp->patternUnit());//Show unit in dialog lable (cm, mm or inch)
+    if (formula.isEmpty())
+    {
+        label->setText(tr("Error") + " (" + postfix + "). " + tr("Empty field."));
+        label->setToolTip(tr("Empty field"));
+        return false;
+    }
+    else
+    {
+        try
+        {
+            QString f;
+            // Replace line return character with spaces for calc if exist
+            if (fromUser)
+            {
+                f = qApp->TrVars()->FormulaFromUser(formula, qApp->Settings()->GetOsSeparator());
+            }
+            else
+            {
+                f = formula;
+            }
+            f.replace("\n", " ");
+            Calculator *cal = new Calculator(data, qApp->patternType());
+            const qreal result = cal->EvalFormula(f);
+            delete cal;
+
+            label->setText(qApp->LocaleToString(result) + " " + postfix);
+            label->setToolTip(tr("Value"));
+            return true;
+        }
+        catch (qmu::QmuParserError &e)
+        {
+            label->setText(tr("Error") + " (" + postfix + "). " + tr("Parser error: %1").arg(e.GetMsg()));
+            label->setToolTip(tr("Parser error: %1").arg(e.GetMsg()));
+            return false;
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::Controls()
+{
+    if (ui->tableWidgetIncrement->rowCount() > 0)
+    {
+        ui->toolButtonRemove->setEnabled(true);
+    }
+    else
+    {
+        ui->toolButtonRemove->setEnabled(false);
+    }
+
+    if (ui->tableWidgetIncrement->rowCount() >= 2)
+    {
+        if (ui->tableWidgetIncrement->currentRow() == 0)
+        {
+            ui->toolButtonUp->setEnabled(false);
+            ui->toolButtonDown->setEnabled(true);
+        }
+        else if (ui->tableWidgetIncrement->currentRow() == ui->tableWidgetIncrement->rowCount()-1)
+        {
+            ui->toolButtonUp->setEnabled(true);
+            ui->toolButtonDown->setEnabled(false);
+        }
+        else
+        {
+            ui->toolButtonUp->setEnabled(true);
+            ui->toolButtonDown->setEnabled(true);
+        }
+    }
+    else
+    {
+        ui->toolButtonUp->setEnabled(false);
+        ui->toolButtonDown->setEnabled(false);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::EnableDetails(bool enabled)
+{
+    if (enabled)
+    {
+        Controls();
+    }
+    else
+    {
+        ui->toolButtonRemove->setEnabled(enabled);
+        ui->toolButtonUp->setEnabled(enabled);
+        ui->toolButtonDown->setEnabled(enabled);
+    }
+
+    if (not enabled)
+    { // Clear
+        ui->lineEditName->blockSignals(true);
+        ui->lineEditName->clear();
+        ui->lineEditName->blockSignals(false);
+
+        ui->plainTextEditDescription->blockSignals(true);
+        ui->plainTextEditDescription->clear();
+        ui->plainTextEditDescription->blockSignals(false);
+
+        ui->labelCalculatedValue->blockSignals(true);
+        ui->labelCalculatedValue->clear();
+        ui->labelCalculatedValue->blockSignals(false);
+
+        ui->plainTextEditFormula->blockSignals(true);
+        ui->plainTextEditFormula->clear();
+        ui->plainTextEditFormula->blockSignals(false);
+    }
+
+    ui->pushButtonGrow->setEnabled(enabled);
+    ui->toolButtonExpr->setEnabled(enabled);
+    ui->lineEditName->setEnabled(enabled);
+    ui->plainTextEditDescription->setEnabled(enabled);
+    ui->plainTextEditFormula->setEnabled(enabled);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -294,11 +423,7 @@ void DialogIncrements::ShowSuccess() const
  */
 void DialogIncrements::FullUpdateFromFile()
 {
-    ui->tableWidgetIncrement->blockSignals(true);
-    ui->tableWidgetIncrement->clearContents();
     FillIncrements();
-    ui->tableWidgetIncrement->horizontalHeader()->setStretchLastSection(true);
-    ui->tableWidgetIncrement->blockSignals(false);
 
     ui->tableWidgetLines->clearContents();
     FillLengthsLines();
@@ -314,217 +439,327 @@ void DialogIncrements::FullUpdateFromFile()
 /**
  * @brief clickedToolButtonAdd create new row in table
  */
-void DialogIncrements::clickedToolButtonAdd()
+void DialogIncrements::AddIncrement()
 {
-    qCDebug(vDialog, "Add new increment");
-    ui->tableWidgetIncrement->setFocus(Qt::OtherFocusReason);
-    ui->tableWidgetIncrement->blockSignals(true);
-    qint32 currentRow  = ui->tableWidgetIncrement->rowCount();
-    ui->tableWidgetIncrement->insertRow( currentRow );
-
+    qCDebug(vDialog, "Add a new increment");
     qint32 num = 1;
     QString name;
     do
     {
-        name = QString(tr("Name_%1")).arg(num);
+        name = CustomIncrSign + tr("Increment_%1").arg(num);
         num++;
     } while (data->IsUnique(name)==false);
 
-    const quint32 id = data->getNextId();
-    const QString description(tr("Description"));
-    VIncrement *incr = new VIncrement(name, id, 0, description);
-    data->AddVariable(name, incr);
+    qint32 currentRow;
 
-    AddIncrementToFile(id, name, 0, 0, 0, description);
+    if (ui->tableWidgetIncrement->currentRow() == -1)
+    {
+        currentRow  = ui->tableWidgetIncrement->rowCount();
+        doc->AddEmptyIncrement(name);
+    }
+    else
+    {
+        currentRow  = ui->tableWidgetIncrement->currentRow()+1;
+        QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(ui->tableWidgetIncrement->currentRow(), 0);
+        doc->AddEmptyIncrementAfter(nameField->text(), name);
+    }
 
-    QTableWidgetItem *item = new QTableWidgetItem(name);
-    item->setTextAlignment(Qt::AlignHCenter);
-    item->setFont(QFont("Times", 12, QFont::Bold));
-    item->setData(Qt::UserRole, id);
-    ui->tableWidgetIncrement->setItem(currentRow, 0, item);
-    ui->tableWidgetIncrement->setCurrentCell(currentRow, 0, QItemSelectionModel::ClearAndSelect);
-
-    item = new QTableWidgetItem("0");// calculated value
-    item->setTextAlignment(Qt::AlignHCenter);
-    // set the item non-editable (view only), and non-selectable
-    Qt::ItemFlags flags = item->flags();
-    flags &= ~(Qt::ItemIsSelectable | Qt::ItemIsEditable); // reset/clear the flag
-    item->setFlags(flags);
-    ui->tableWidgetIncrement->setItem(currentRow, 1, item);
-
-    item = new QTableWidgetItem("0");// base value
-    item->setTextAlignment(Qt::AlignHCenter);
-    ui->tableWidgetIncrement->setItem(currentRow, 2, item);
-
-    item = new QTableWidgetItem("0");// in sizes
-    item->setTextAlignment(Qt::AlignHCenter);
-    ui->tableWidgetIncrement->setItem(currentRow, 3, item);
-
-    item = new QTableWidgetItem("0"); // in heights
-    item->setTextAlignment(Qt::AlignHCenter);
-    ui->tableWidgetIncrement->setItem(currentRow, 4, item);
-
-    item = new QTableWidgetItem(description);
-    item->setTextAlignment(Qt::AlignLeft);
-    ui->tableWidgetIncrement->setItem(currentRow, 5, item);
-
-    ui->toolButtonRemove->setEnabled(true);
-    ui->tableWidgetIncrement->blockSignals(false);
-    emit haveLiteChange();
-    ShowSuccess();
+    FullUpdateTree(Document::LiteParse);
+    ui->tableWidgetIncrement->selectRow(currentRow);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief clickedToolButtonRemove remove one row from table
  */
-void DialogIncrements::clickedToolButtonRemove()
+void DialogIncrements::RemoveIncrement()
 {
-    ui->tableWidgetIncrement->blockSignals(true);
+    const int row = ui->tableWidgetIncrement->currentRow();
 
-    QTableWidgetItem *item = ui->tableWidgetIncrement->currentItem();
-    qint32 row = item->row();
-
-    QTableWidgetItem *itemName = ui->tableWidgetIncrement->item(row, 0);
-    qCDebug(vDialog, "Remove increment %s", itemName->text().toUtf8().constData());
-    data->RemoveIncrement(itemName->text());
-
-    quint32 id = qvariant_cast<quint32>(itemName->data(Qt::UserRole));
-    QDomElement domElement = doc->elementById(id);
-    if (domElement.isElement())
+    if (row == -1)
     {
-        QDomNodeList list = doc->elementsByTagName(VPattern::TagIncrements);
-        list.at(0).removeChild(domElement);
+        return;
+    }
+
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+    doc->RemoveIncrement(nameField->text());
+
+    FullUpdateTree(Document::LiteParse);
+
+    if (ui->tableWidgetIncrement->rowCount() > 0)
+    {
+        ui->tableWidgetIncrement->selectRow(0);
     }
     else
     {
-        qCDebug(vDialog, "Could not find object with id %u", id);
+        EnableDetails(false);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::MoveUp()
+{
+    const int row = ui->tableWidgetIncrement->currentRow();
+
+    if (row == -1)
+    {
         return;
     }
 
-    ui->tableWidgetIncrement->removeRow(row);
-    if (ui->tableWidgetIncrement->rowCount() == 0)
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+    doc->MoveUpIncrement(nameField->text());
+    FullUpdateTree(Document::LiteParse);
+    ui->tableWidgetIncrement->selectRow(row-1);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::MoveDown()
+{
+    const int row = ui->tableWidgetIncrement->currentRow();
+
+    if (row == -1)
     {
-        ui->toolButtonRemove->setEnabled(false);
+        return;
     }
 
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+    doc->MoveDownIncrement(nameField->text());
+    FullUpdateTree(Document::LiteParse);
+    ui->tableWidgetIncrement->selectRow(row+1);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::SaveIncrName()
+{
+    const int row = ui->tableWidgetIncrement->currentRow();
+
+    if (row == -1)
+    {
+        return;
+    }
+
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+    const QString newName = CustomIncrSign + ui->lineEditName->text();
+    if (data->IsUnique(newName))
+    {
+        doc->SetIncrementName(nameField->text(), newName);
+        FullUpdateTree(Document::LiteParse);
+        ui->tableWidgetIncrement->blockSignals(true);
+        ui->tableWidgetIncrement->selectRow(row);
+        ui->tableWidgetIncrement->blockSignals(false);
+    }
+    else
+    {
+        ui->lineEditName->setText(ClearIncrementName(nameField->text()));
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::SaveIncrDescription()
+{
+    const int row = ui->tableWidgetIncrement->currentRow();
+
+    if (row == -1)
+    {
+        return;
+    }
+
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+    doc->SetIncrementDescription(nameField->text(), ui->plainTextEditDescription->toPlainText());
+
+    FullUpdateTree(Document::LiteParse);
+
+    const QTextCursor cursor = ui->plainTextEditDescription->textCursor();
+    ui->tableWidgetIncrement->blockSignals(true);
+    ui->tableWidgetIncrement->selectRow(row);
     ui->tableWidgetIncrement->blockSignals(false);
-    emit haveLiteChange();
-    ShowSuccess();
+    ui->plainTextEditDescription->setTextCursor(cursor);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-/**
- * @brief AddIncrementToFile save created increment to file
- * @param id id of increment
- * @param name name
- * @param base base value
- * @param ksize increment in sizes
- * @param kheight increment in heights
- * @param description description of increment
- */
-void DialogIncrements::AddIncrementToFile(const quint32 &id, const QString &name, const qreal &base, const qreal &ksize,
-                                          const qreal &kheight, const QString &description)
+void DialogIncrements::SaveIncrFormula()
 {
-    qCDebug(vDialog, "Saving new increment to file.");
-    qCDebug(vDialog, "%s", QString("Increment: id(%1), name(%2), base(%3), ksize(%4), kheight(%5), description(%6)")
-                      .arg(id).arg(name).arg(base).arg(ksize).arg(kheight).arg(description).toUtf8().constData());
-    QDomElement element = doc->createElement(VPattern::TagIncrement);
+    const int row = ui->tableWidgetIncrement->currentRow();
 
-    doc->SetAttribute(element, VDomDocument::AttrId, id);
-    doc->SetAttribute(element, VPattern::IncrementName, name);
-    doc->SetAttribute(element, VPattern::IncrementBase, base);
-    doc->SetAttribute(element, VPattern::IncrementKsize, ksize);
-    doc->SetAttribute(element, VPattern::IncrementKgrowth, kheight);
-    doc->SetAttribute(element, VPattern::IncrementDescription, description);
-
-    QDomNodeList list = doc->elementsByTagName(VPattern::TagIncrements);
-    list.at(0).appendChild(element);
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void DialogIncrements::HideColumns(QTableWidget *table)
-{
-    SCASSERT(table != nullptr);
-
-    table->setColumnHidden( 1, true );// calculated value
-    table->setColumnHidden( 3, true );// in sizes
-    table->setColumnHidden( 4, true );// in heights
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-/**
- * @brief cellChanged cell in table was changed
- * @param row number of row
- * @param column number of column
- */
-void DialogIncrements::IncrementChanged ( qint32 row, qint32 column )
-{
-    qCDebug(vDialog, "Increment changed.");
-    const QTableWidgetItem *itemName = ui->tableWidgetIncrement->item(row, 0);
-    const QTableWidgetItem *item = ui->tableWidgetIncrement->item(row, column);
-    const quint32 id = qvariant_cast<quint32>(itemName->data(Qt::UserRole));
-    QDomElement domElement = doc->elementById(id);
-    if (domElement.isElement() == false)
+    if (row == -1)
     {
-        qCDebug(vDialog, "Cant't find increment with id = %u", id);
         return;
     }
-    this->row = row;
-    switch (column)
+
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+
+    // Replace line return character with spaces for calc if exist
+    QString text = ui->plainTextEditFormula->toPlainText();
+    text.replace("\n", " ");
+
+    QTableWidgetItem *formulaField = ui->tableWidgetIncrement->item(row, 2);
+    if (formulaField->text() == text)
     {
-        case 0: // VPattern::IncrementName
-            qCDebug(vDialog, "Changed name to %s", item->text().toUtf8().constData());
-            doc->SetAttribute(domElement, VPattern::IncrementName, item->text());
-            data->ClearVariables(VarType::Increment);
-            this->column = 2;
-            emit FullUpdateTree(Document::LiteParse);
-            break;
-        case 2: // VPattern::IncrementBase
-            qCDebug(vDialog, "Changed base to %s", item->text().toUtf8().constData());
-            doc->SetAttribute(domElement, VPattern::IncrementBase, item->text());
-            this->column = 3;
-            emit FullUpdateTree(Document::LiteParse);
-            break;
-        case 3: // VPattern::IncrementKsize
-            qCDebug(vDialog, "Changed ksize to %s", item->text().toUtf8().constData());
-            doc->SetAttribute(domElement, VPattern::IncrementKsize, item->text());
-            this->column = 4;
-            emit FullUpdateTree(Document::LiteParse);
-            break;
-        case 4: // VPattern::IncrementKgrowth
-            qCDebug(vDialog, "Changed kheight to %s", item->text().toUtf8().constData());
-            doc->SetAttribute(domElement, VPattern::IncrementKgrowth, item->text());
-            this->column = 5;
-            emit FullUpdateTree(Document::LiteParse);
-            break;
-        case 5: // VPattern::IncrementDescription
-        {
-            qCDebug(vDialog, "Changed description to %s", item->text().toUtf8().constData());
-            doc->SetAttribute(domElement, VPattern::IncrementDescription, item->text());
-            QSharedPointer<VIncrement> incr = data->GetVariable<VIncrement>(itemName->text());
-            incr->SetDescription(item->text());
-            ui->tableWidgetIncrement->resizeColumnsToContents();
-            ui->tableWidgetIncrement->resizeRowsToContents();
-            this->column = 0;
-            ui->tableWidgetIncrement->setCurrentCell( row, this->column );
-            ui->tableWidgetIncrement->horizontalHeader()->setStretchLastSection(true);
-            break;
-        }
-        default:
-            break;
+        QTableWidgetItem *result = ui->tableWidgetIncrement->item(row, 1);
+        //Show unit in dialog lable (cm, mm or inch)
+        const QString postfix = VDomDocument::UnitsToStr(qApp->patternUnit());
+        ui->labelCalculatedValue->setText(result->text() + " " +postfix);
+        return;
     }
-    emit haveLiteChange();
-    ShowSuccess();
+
+    if (text.isEmpty())
+    {
+        //Show unit in dialog lable (cm, mm or inch)
+        const QString postfix = VDomDocument::UnitsToStr(qApp->patternUnit());
+        ui->labelCalculatedValue->setText(tr("Error") + " (" + postfix + "). " + tr("Empty field."));
+        return;
+    }
+
+    QSharedPointer<VIncrement> incr = data->GetVariable<VIncrement>(nameField->text());
+    const bool ok = EvalIncrementFormula(text, true, incr->GetData(), ui->labelCalculatedValue);
+
+    if (not ok)
+    {
+        return;
+    }
+
+    try
+    {
+        const QString formula = qApp->TrVars()->FormulaFromUser(text, qApp->Settings()->GetOsSeparator());
+        doc->SetIncrementFormula(nameField->text(), formula);
+    }
+    catch (qmu::QmuParserError &e) // Just in case something bad happens
+    {
+        Q_UNUSED(e)
+        return;
+    }
+
+    FullUpdateTree(Document::LiteParse);
+
+    const QTextCursor cursor = ui->plainTextEditFormula->textCursor();
+    ui->tableWidgetIncrement->blockSignals(true);
+    ui->tableWidgetIncrement->selectRow(row);
+    ui->tableWidgetIncrement->blockSignals(false);
+    ui->plainTextEditFormula->setTextCursor(cursor);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::DeployFormula()
+{
+    SCASSERT(ui->plainTextEditFormula != nullptr);
+    SCASSERT(ui->pushButtonGrow != nullptr)
+    if (ui->plainTextEditFormula->height() < DIALOG_MAX_FORMULA_HEIGHT)
+    {
+        ui->plainTextEditFormula->setFixedHeight(DIALOG_MAX_FORMULA_HEIGHT);
+        //Set icon from theme (internal for Windows system)
+        ui->pushButtonGrow->setIcon(QIcon::fromTheme("go-next",
+                                                     QIcon(":/icons/win.icon.theme/16x16/actions/go-next.png")));
+    }
+    else
+    {
+       ui->plainTextEditFormula->setFixedHeight(formulaBaseHeight);
+       //Set icon from theme (internal for Windows system)
+       ui->pushButtonGrow->setIcon(QIcon::fromTheme("go-down",
+                                                    QIcon(":/icons/win.icon.theme/16x16/actions/go-down.png")));
+    }
+
+    // I found that after change size of formula field, it was filed for angle formula, field for formula became black.
+    // This code prevent this.
+    setUpdatesEnabled(false);
+    repaint();
+    setUpdatesEnabled(true);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::Fx()
+{
+    const int row = ui->tableWidgetIncrement->currentRow();
+
+    if (row == -1)
+    {
+        return;
+    }
+
+    QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(row, 0);
+    QSharedPointer<VIncrement> incr = data->GetVariable<VIncrement>(nameField->text());
+
+    DialogEditWrongFormula *dialog = new DialogEditWrongFormula(incr->GetData(), NULL_ID, this);
+    dialog->setWindowTitle(tr("Edit increment"));
+
+    QString text = ui->plainTextEditFormula->toPlainText();
+    text.replace("\n", " ");
+    text = qApp->TrVars()->FormulaFromUser(text, qApp->Settings()->GetOsSeparator());
+    dialog->SetFormula(text);
+    const QString postfix = VDomDocument::UnitsToStr(qApp->patternUnit(), true);
+    dialog->setPostfix(postfix);//Show unit in dialog lable (cm, mm or inch)
+
+    if (dialog->exec() == QDialog::Accepted)
+    {
+        doc->SetIncrementFormula(nameField->text(), dialog->GetFormula());
+        FullUpdateTree(Document::LiteParse);
+        ui->tableWidgetIncrement->selectRow(row);
+    }
+    delete dialog;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void DialogIncrements::closeEvent(QCloseEvent *event)
 {
+    ui->plainTextEditFormula->blockSignals(true);
+    ui->lineEditName->blockSignals(true);
+    ui->plainTextEditDescription->blockSignals(true);
+
     emit DialogClosed(QDialog::Accepted);
     event->accept();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void DialogIncrements::ShowIncrementDetails()
+{
+    if (ui->tableWidgetIncrement->rowCount() > 0)
+    {
+        EnableDetails(true);
+
+        QTableWidgetItem *nameField = ui->tableWidgetIncrement->item(ui->tableWidgetIncrement->currentRow(), 0); // name
+        QSharedPointer<VIncrement> incr;
+
+        try
+        {
+            incr = data->GetVariable<VIncrement>(nameField->text());
+        }
+        catch(const VExceptionBadId &e)
+        {
+            Q_UNUSED(e);
+            EnableDetails(false);
+            return;
+        }
+
+        ui->lineEditName->blockSignals(true);
+        ui->lineEditName->setText(ClearIncrementName(incr->GetName()));
+        ui->lineEditName->blockSignals(false);
+
+        ui->plainTextEditDescription->blockSignals(true);
+        ui->plainTextEditDescription->setPlainText(incr->GetDescription());
+        ui->plainTextEditDescription->blockSignals(false);
+
+        EvalIncrementFormula(incr->GetFormula(), false, incr->GetData(), ui->labelCalculatedValue);
+        ui->plainTextEditFormula->blockSignals(true);
+
+        QString formula;
+        try
+        {
+            formula = qApp->TrVars()->FormulaToUser(incr->GetFormula());
+        }
+        catch (qmu::QmuParserError &e)
+        {
+            Q_UNUSED(e);
+            formula = incr->GetFormula();
+        }
+
+        ui->plainTextEditFormula->setPlainText(formula);
+        ui->plainTextEditFormula->blockSignals(false);
+    }
+    else
+    {
+        EnableDetails(false);
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 DialogIncrements::~DialogIncrements()
 {
diff --git a/src/app/valentina/dialogs/dialogincrements.h b/src/app/valentina/dialogs/dialogincrements.h
index a0585421d..35ad1d9cb 100644
--- a/src/app/valentina/dialogs/dialogincrements.h
+++ b/src/app/valentina/dialogs/dialogincrements.h
@@ -49,23 +49,30 @@ class DialogIncrements : public DialogTool
     Q_OBJECT
 public:
      DialogIncrements(VContainer *data, VPattern *doc, QWidget *parent = nullptr);
-     ~DialogIncrements();
-public slots:
-    void                 clickedToolButtonAdd();
-    void                 clickedToolButtonRemove();
-    void                 IncrementChanged ( qint32 row, qint32 column );
-    void                 FullUpdateFromFile();
+     virtual ~DialogIncrements() Q_DECL_OVERRIDE;
+
 signals:
     /**
      * @brief FullUpdateTree signal update data for dom document
      */
     void                 FullUpdateTree(const Document &parse);
-    /**
-     * @brief haveLiteChange signal show sign of change
-     */
-    void                 haveLiteChange();
+
 protected:
     virtual void         closeEvent ( QCloseEvent * event ) Q_DECL_OVERRIDE;
+
+private slots:
+    void ShowIncrementDetails();
+    void AddIncrement();
+    void RemoveIncrement();
+    void MoveUp();
+    void MoveDown();
+    void SaveIncrName();
+    void SaveIncrDescription();
+    void SaveIncrFormula();
+    void DeployFormula();
+    void Fx();
+    void FullUpdateFromFile();
+
 private:
     Q_DISABLE_COPY(DialogIncrements)
 
@@ -78,11 +85,7 @@ private:
     /** @brief doc dom document container */
     VPattern             *doc;
 
-    /** @brief row save number of row current selected cell */
-    qint32               row;
-
-    /** @brief column save number of column current selected cell */
-    qint32               column;
+    int                  formulaBaseHeight;
 
     template <typename T>
     void                 FillTable(const QMap<QString, T> varTable, QTableWidget *table);
@@ -96,13 +99,15 @@ private:
     void                 FillAnglesArcs();
     void                 FillAnglesCurves();
 
-    void                 AddIncrementToFile(const quint32 &id, const QString &name, const qreal &base,
-                                            const qreal &ksize, const qreal &kheight, const QString &description);
-    void                 HideColumns(QTableWidget *table);
-    void                 SetItemViewOnly(QTableWidgetItem *item);
     void                 ShowUnits();
     void                 ShowHeaderUnits(QTableWidget *table, int column, const QString &unit);
-    void                 ShowSuccess() const;
+
+    void AddCell(QTableWidget *table, const QString &text, int row, int column, int aligment, bool ok = true);
+
+    QString ClearIncrementName(const QString &name) const;
+    bool    EvalIncrementFormula(const QString &formula, bool fromUser, VContainer *data, QLabel *label);
+    void    Controls();
+    void    EnableDetails(bool enabled);
 };
 
 #endif // DIALOGINCREMENTS_H
diff --git a/src/app/valentina/dialogs/dialogincrements.ui b/src/app/valentina/dialogs/dialogincrements.ui
index 94ba035b4..80b8db061 100644
--- a/src/app/valentina/dialogs/dialogincrements.ui
+++ b/src/app/valentina/dialogs/dialogincrements.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>979</width>
-    <height>574</height>
+    <height>680</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -45,108 +45,334 @@
       <attribute name="title">
        <string>Increments</string>
       </attribute>
-      <layout class="QGridLayout" name="gridLayout">
-       <item row="1" column="1">
-        <widget class="QToolButton" name="toolButtonRemove">
-         <property name="enabled">
-          <bool>false</bool>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QSplitter" name="splitter">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
          </property>
-         <property name="text">
-          <string notr="true">...</string>
-         </property>
-         <property name="icon">
-          <iconset theme="list-remove">
-           <normaloff/>
-          </iconset>
-         </property>
-        </widget>
-       </item>
-       <item row="0" column="0" colspan="3">
-        <widget class="QTableWidget" name="tableWidgetIncrement">
-         <property name="alternatingRowColors">
-          <bool>true</bool>
-         </property>
-         <property name="selectionMode">
-          <enum>QAbstractItemView::SingleSelection</enum>
-         </property>
-         <property name="sortingEnabled">
-          <bool>false</bool>
-         </property>
-         <property name="wordWrap">
-          <bool>true</bool>
-         </property>
-         <attribute name="horizontalHeaderCascadingSectionResizes">
-          <bool>false</bool>
-         </attribute>
-         <attribute name="horizontalHeaderDefaultSectionSize">
-          <number>120</number>
-         </attribute>
-         <attribute name="horizontalHeaderMinimumSectionSize">
-          <number>70</number>
-         </attribute>
-         <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
-          <bool>false</bool>
-         </attribute>
-         <attribute name="horizontalHeaderStretchLastSection">
-          <bool>true</bool>
-         </attribute>
-         <attribute name="verticalHeaderVisible">
-          <bool>false</bool>
-         </attribute>
-         <attribute name="verticalHeaderCascadingSectionResizes">
-          <bool>false</bool>
-         </attribute>
-         <attribute name="verticalHeaderDefaultSectionSize">
-          <number>25</number>
-         </attribute>
-         <attribute name="verticalHeaderMinimumSectionSize">
-          <number>8</number>
-         </attribute>
-         <attribute name="verticalHeaderStretchLastSection">
-          <bool>false</bool>
-         </attribute>
-         <column>
-          <property name="text">
-           <string>Name</string>
+         <widget class="QTableWidget" name="tableWidgetIncrement">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+            <horstretch>0</horstretch>
+            <verstretch>8</verstretch>
+           </sizepolicy>
           </property>
-         </column>
-         <column>
-          <property name="text">
-           <string>The calculated value</string>
+          <property name="minimumSize">
+           <size>
+            <width>0</width>
+            <height>150</height>
+           </size>
           </property>
-         </column>
-         <column>
-          <property name="text">
-           <string>Base value</string>
+          <property name="alternatingRowColors">
+           <bool>true</bool>
           </property>
-         </column>
-         <column>
-          <property name="text">
-           <string>In sizes</string>
+          <property name="selectionMode">
+           <enum>QAbstractItemView::SingleSelection</enum>
           </property>
-         </column>
-         <column>
-          <property name="text">
-           <string>In heights</string>
+          <property name="selectionBehavior">
+           <enum>QAbstractItemView::SelectRows</enum>
           </property>
-         </column>
-         <column>
-          <property name="text">
-           <string>Description</string>
+          <property name="sortingEnabled">
+           <bool>false</bool>
           </property>
-         </column>
-        </widget>
-       </item>
-       <item row="1" column="0">
-        <widget class="QToolButton" name="toolButtonAdd">
-         <property name="text">
-          <string notr="true">...</string>
-         </property>
-         <property name="icon">
-          <iconset theme="list-add">
-           <normaloff/>
-          </iconset>
-         </property>
+          <property name="wordWrap">
+           <bool>true</bool>
+          </property>
+          <attribute name="horizontalHeaderCascadingSectionResizes">
+           <bool>false</bool>
+          </attribute>
+          <attribute name="horizontalHeaderDefaultSectionSize">
+           <number>120</number>
+          </attribute>
+          <attribute name="horizontalHeaderMinimumSectionSize">
+           <number>70</number>
+          </attribute>
+          <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
+           <bool>false</bool>
+          </attribute>
+          <attribute name="horizontalHeaderStretchLastSection">
+           <bool>true</bool>
+          </attribute>
+          <attribute name="verticalHeaderVisible">
+           <bool>false</bool>
+          </attribute>
+          <attribute name="verticalHeaderCascadingSectionResizes">
+           <bool>false</bool>
+          </attribute>
+          <attribute name="verticalHeaderDefaultSectionSize">
+           <number>25</number>
+          </attribute>
+          <attribute name="verticalHeaderMinimumSectionSize">
+           <number>8</number>
+          </attribute>
+          <attribute name="verticalHeaderStretchLastSection">
+           <bool>false</bool>
+          </attribute>
+          <column>
+           <property name="text">
+            <string>Name</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>The calculated value</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Formula</string>
+           </property>
+          </column>
+         </widget>
+         <widget class="QGroupBox" name="groupBoxDetails">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+            <horstretch>0</horstretch>
+            <verstretch>4</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="minimumSize">
+           <size>
+            <width>0</width>
+            <height>236</height>
+           </size>
+          </property>
+          <property name="toolTip">
+           <string>Details</string>
+          </property>
+          <property name="title">
+           <string>Details</string>
+          </property>
+          <layout class="QFormLayout" name="formLayout">
+           <property name="fieldGrowthPolicy">
+            <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+           </property>
+           <item row="0" column="0">
+            <layout class="QHBoxLayout" name="horizontalLayout">
+             <item alignment="Qt::AlignLeft">
+              <widget class="QToolButton" name="toolButtonUp">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <property name="toolTip">
+                <string>Move measurement up</string>
+               </property>
+               <property name="text">
+                <string notr="true">...</string>
+               </property>
+               <property name="icon">
+                <iconset theme="go-up">
+                 <normaloff>../../tape</normaloff>../../tape</iconset>
+               </property>
+              </widget>
+             </item>
+             <item alignment="Qt::AlignLeft">
+              <widget class="QToolButton" name="toolButtonDown">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <property name="toolTip">
+                <string>Move measurement down</string>
+               </property>
+               <property name="text">
+                <string notr="true">...</string>
+               </property>
+               <property name="icon">
+                <iconset theme="go-down">
+                 <normaloff>../../tape</normaloff>../../tape</iconset>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+           <item row="0" column="1">
+            <layout class="QHBoxLayout" name="horizontalLayout_3">
+             <property name="spacing">
+              <number>6</number>
+             </property>
+             <item alignment="Qt::AlignRight">
+              <widget class="QToolButton" name="toolButtonAdd">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+                 <horstretch>1</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
+               <property name="text">
+                <string notr="true">...</string>
+               </property>
+               <property name="icon">
+                <iconset theme="list-add">
+                 <normaloff/>
+                </iconset>
+               </property>
+              </widget>
+             </item>
+             <item alignment="Qt::AlignHCenter">
+              <widget class="QToolButton" name="toolButtonRemove">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <property name="text">
+                <string notr="true">...</string>
+               </property>
+               <property name="icon">
+                <iconset theme="list-remove">
+                 <normaloff/>
+                </iconset>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+           <item row="2" column="0">
+            <widget class="QLabel" name="label">
+             <property name="text">
+              <string>Name:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1">
+            <widget class="QLineEdit" name="lineEditName">
+             <property name="enabled">
+              <bool>false</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="0">
+            <widget class="QLabel" name="labelCalculated">
+             <property name="text">
+              <string>Calculated value:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="1">
+            <widget class="QLabel" name="labelCalculatedValue">
+             <property name="text">
+              <string notr="true"/>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="0">
+            <widget class="QLabel" name="labelFormula">
+             <property name="text">
+              <string>Formula:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="5" column="1">
+            <layout class="QHBoxLayout" name="horizontalLayoutValue">
+             <item>
+              <widget class="QPlainTextEdit" name="plainTextEditFormula">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+                 <horstretch>0</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
+               <property name="maximumSize">
+                <size>
+                 <width>16777215</width>
+                 <height>24</height>
+                </size>
+               </property>
+               <property name="tabChangesFocus">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QPushButton" name="pushButtonGrow">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <property name="maximumSize">
+                <size>
+                 <width>18</width>
+                 <height>18</height>
+                </size>
+               </property>
+               <property name="sizeIncrement">
+                <size>
+                 <width>0</width>
+                 <height>0</height>
+                </size>
+               </property>
+               <property name="focusPolicy">
+                <enum>Qt::StrongFocus</enum>
+               </property>
+               <property name="toolTip">
+                <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Show full calculation in message box&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+               </property>
+               <property name="text">
+                <string notr="true"/>
+               </property>
+               <property name="icon">
+                <iconset theme="go-down">
+                 <normaloff>../../../libs/vtools/dialogs/support</normaloff>../../../libs/vtools/dialogs/support</iconset>
+               </property>
+               <property name="iconSize">
+                <size>
+                 <width>16</width>
+                 <height>16</height>
+                </size>
+               </property>
+               <property name="autoDefault">
+                <bool>false</bool>
+               </property>
+               <property name="flat">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QToolButton" name="toolButtonExpr">
+               <property name="enabled">
+                <bool>false</bool>
+               </property>
+               <property name="text">
+                <string notr="true">...</string>
+               </property>
+               <property name="icon">
+                <iconset resource="../../../libs/vmisc/share/resources/icon.qrc">
+                 <normaloff>:/icon/24x24/fx.png</normaloff>:/icon/24x24/fx.png</iconset>
+               </property>
+               <property name="iconSize">
+                <size>
+                 <width>24</width>
+                 <height>24</height>
+                </size>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+           <item row="6" column="0">
+            <widget class="QLabel" name="label_7">
+             <property name="text">
+              <string>Description:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="6" column="1">
+            <widget class="QPlainTextEdit" name="plainTextEditDescription">
+             <property name="enabled">
+              <bool>false</bool>
+             </property>
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+               <horstretch>0</horstretch>
+               <verstretch>1</verstretch>
+              </sizepolicy>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
         </widget>
        </item>
       </layout>
diff --git a/src/app/valentina/xml/vpattern.cpp b/src/app/valentina/xml/vpattern.cpp
index 5afedde32..2a467cc7a 100644
--- a/src/app/valentina/xml/vpattern.cpp
+++ b/src/app/valentina/xml/vpattern.cpp
@@ -45,6 +45,7 @@
 #include "../qmuparser/qmuparsererror.h"
 #include "../vgeometry/varc.h"
 #include "../core/vapplication.h"
+#include "../vpatterndb/calculator.h"
 
 #include <QMessageBox>
 #include <QUndoStack>
@@ -2004,6 +2005,67 @@ void VPattern::ParseToolArcWithLength(VMainGraphicsScene *scene, QDomElement &do
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+qreal VPattern::EvalFormula(VContainer *data, const QString &formula, bool *ok) const
+{
+    if (formula.isEmpty())
+    {
+        *ok = true;
+        return 0;
+    }
+    else
+    {
+        try
+        {
+            // Replace line return character with spaces for calc if exist
+            QString f = formula;
+            f.replace("\n", " ");
+            Calculator *cal = new Calculator(data, qApp->patternType());
+            const qreal result = cal->EvalFormula(f);
+            delete cal;
+
+            *ok = true;
+            return result;
+        }
+        catch (qmu::QmuParserError &e)
+        {
+            *ok = false;
+            return 0;
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QDomElement VPattern::MakeEmptyIncrement(const QString &name)
+{
+    QDomElement element = createElement(TagIncrement);
+    SetAttribute(element, IncrementName, name);
+    SetAttribute(element, IncrementFormula, QString("0"));
+    SetAttribute(element, IncrementDescription, QString(""));
+    return element;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+QDomElement VPattern::FindIncrement(const QString &name) const
+{
+    QDomNodeList list = elementsByTagName(TagIncrement);
+
+    for (int i=0; i < list.size(); ++i)
+    {
+        const QDomElement domElement = list.at(i).toElement();
+        if (domElement.isNull() == false)
+        {
+            const QString parameter = domElement.attribute(IncrementName);
+            if (parameter == name)
+            {
+                return domElement;
+            }
+        }
+    }
+
+    return QDomElement();
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief ParseSplineElement parse spline tag.
@@ -2135,6 +2197,7 @@ void VPattern::ParseToolsElement(VMainGraphicsScene *scene, const QDomElement &d
  */
 void VPattern::ParseIncrementsElement(const QDomNode &node)
 {
+    int index = 0;
     QDomNode domNode = node.firstChild();
     while (domNode.isNull() == false)
     {
@@ -2145,14 +2208,24 @@ void VPattern::ParseIncrementsElement(const QDomNode &node)
             {
                 if (domElement.tagName() == TagIncrement)
                 {
-                    const quint32 id = GetParametrId(domElement);
                     const QString name = GetParametrString(domElement, IncrementName, "");
-                    const qreal base = GetParametrDouble(domElement, IncrementBase, "0");
-                    const qreal ksize = GetParametrDouble(domElement, IncrementKsize, "0");
-                    const qreal kgrowth = GetParametrDouble(domElement, IncrementKgrowth, "0");
-                    const QString desc = GetParametrString(domElement, IncrementDescription, "Description");
-                    data->UpdateId(id);
-                    data->AddVariable(name, new VIncrement(name, id, base, desc));
+
+                    QString desc;
+                    try
+                    {
+                        desc = GetParametrString(domElement, IncrementDescription);
+                    }
+                    catch (VExceptionEmptyParameter &e)
+                    {
+                        Q_UNUSED(e)
+                    }
+
+                    const QString formula = GetParametrString(domElement, IncrementFormula, "0");
+                    bool ok = false;
+                    const qreal value = EvalFormula(data, formula, &ok);
+
+                    data->AddVariable(name, new VIncrement(data, name, index, value, formula, ok, desc));
+                    ++index;
                 }
             }
         }
@@ -2174,6 +2247,108 @@ void VPattern::SetAuthor(const QString &text)
     emit patternChanged(false);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::AddEmptyIncrement(const QString &name)
+{
+    const QDomElement element = MakeEmptyIncrement(name);
+
+    const QDomNodeList list = elementsByTagName(TagIncrements);
+    list.at(0).appendChild(element);
+    emit patternChanged(false);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::AddEmptyIncrementAfter(const QString &after, const QString &name)
+{
+    const QDomElement element = MakeEmptyIncrement(name);
+    const QDomElement sibling = FindIncrement(after);
+
+    const QDomNodeList list = elementsByTagName(TagIncrements);
+
+    if (sibling.isNull())
+    {
+        list.at(0).appendChild(element);
+    }
+    else
+    {
+        list.at(0).insertAfter(element, sibling);
+    }
+    emit patternChanged(false);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::RemoveIncrement(const QString &name)
+{
+    const QDomNodeList list = elementsByTagName(TagIncrements);
+    list.at(0).removeChild(FindIncrement(name));
+    emit patternChanged(false);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::MoveUpIncrement(const QString &name)
+{
+    const QDomElement node = FindIncrement(name);
+    if (not node.isNull())
+    {
+        const QDomElement prSibling = node.previousSiblingElement(TagIncrement);
+        if (not prSibling.isNull())
+        {
+            const QDomNodeList list = elementsByTagName(TagIncrements);
+            list.at(0).insertBefore(node, prSibling);
+        }
+    }
+    emit patternChanged(false);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::MoveDownIncrement(const QString &name)
+{
+    const QDomElement node = FindIncrement(name);
+    if (not node.isNull())
+    {
+        const QDomElement nextSibling = node.nextSiblingElement(TagIncrement);
+        if (not nextSibling.isNull())
+        {
+            const QDomNodeList list = elementsByTagName(TagIncrements);
+            list.at(0).insertAfter(node, nextSibling);
+        }
+    }
+    emit patternChanged(false);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::SetIncrementName(const QString &name, const QString &text)
+{
+    QDomElement node = FindIncrement(name);
+    if (not node.isNull())
+    {
+        SetAttribute(node, IncrementName, text);
+        emit patternChanged(false);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::SetIncrementFormula(const QString &name, const QString &text)
+{
+    QDomElement node = FindIncrement(name);
+    if (not node.isNull())
+    {
+        SetAttribute(node, IncrementFormula, text);
+        emit patternChanged(false);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPattern::SetIncrementDescription(const QString &name, const QString &text)
+{
+    QDomElement node = FindIncrement(name);
+    if (not node.isNull())
+    {
+        SetAttribute(node, IncrementDescription, text);
+        emit patternChanged(false);
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief GenerateLabel create label for pattern piece of point.
@@ -2266,6 +2441,7 @@ void VPattern::PrepareForParse(const Document &parse)
     else if (parse == Document::LiteParse)
     {
         data->ClearUniqueNames();
+        data->ClearVariables(VarType::Increment);
         data->ClearVariables(VarType::ArcLength);
         data->ClearVariables(VarType::LineAngle);
         data->ClearVariables(VarType::LineLength);
diff --git a/src/app/valentina/xml/vpattern.h b/src/app/valentina/xml/vpattern.h
index 304649e0c..21b3e5fb8 100644
--- a/src/app/valentina/xml/vpattern.h
+++ b/src/app/valentina/xml/vpattern.h
@@ -65,6 +65,16 @@ public:
     QString        GetAuthor() const;
     void           SetAuthor(const QString &text);
 
+    void AddEmptyIncrement(const QString &name);
+    void AddEmptyIncrementAfter(const QString &after, const QString &name);
+    void RemoveIncrement(const QString &name);
+    void MoveUpIncrement(const QString &name);
+    void MoveDownIncrement(const QString &name);
+
+    void SetIncrementName(const QString &name, const QString &text);
+    void SetIncrementFormula(const QString &name, const QString &text);
+    void SetIncrementDescription(const QString &name, const QString &text);
+
     virtual QString GenerateLabel(const LabelType &type, const QString &reservedName = QString())const Q_DECL_OVERRIDE;
 
 public slots:
@@ -151,6 +161,11 @@ private:
     void ParseToolArc(VMainGraphicsScene *scene, QDomElement &domElement, const Document &parse);
     void ParseNodeArc(const QDomElement &domElement, const Document &parse);
     void ParseToolArcWithLength(VMainGraphicsScene *scene, QDomElement &domElement, const Document &parse);
+
+    qreal EvalFormula(VContainer *data, const QString &formula, bool *ok) const;
+
+    QDomElement MakeEmptyIncrement(const QString &name);
+    QDomElement FindIncrement(const QString &name) const;
 };
 
 #endif // VPATTERN_H
diff --git a/src/libs/ifc/ifcdef.cpp b/src/libs/ifc/ifcdef.cpp
index e762de188..fda9f7e77 100644
--- a/src/libs/ifc/ifcdef.cpp
+++ b/src/libs/ifc/ifcdef.cpp
@@ -28,7 +28,8 @@
 
 #include "ifcdef.h"
 
-const QString CustomSign = QStringLiteral("@");
+const QString CustomMSign    = QStringLiteral("@");
+const QString CustomIncrSign = QStringLiteral("#");
 
 #define DefWidth 1.2//mm
 
diff --git a/src/libs/ifc/ifcdef.h b/src/libs/ifc/ifcdef.h
index d0612962a..4dceb4b48 100644
--- a/src/libs/ifc/ifcdef.h
+++ b/src/libs/ifc/ifcdef.h
@@ -32,7 +32,8 @@
 #include <QtGlobal>
 #include "../vmisc/def.h"
 
-extern const QString CustomSign;
+extern const QString CustomMSign;
+extern const QString CustomIncrSign;
 
 #ifdef Q_OS_WIN32
     extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
diff --git a/src/libs/ifc/xml/vabstractpattern.cpp b/src/libs/ifc/xml/vabstractpattern.cpp
index 68194b544..0c13dfd56 100644
--- a/src/libs/ifc/xml/vabstractpattern.cpp
+++ b/src/libs/ifc/xml/vabstractpattern.cpp
@@ -97,9 +97,7 @@ const QString VAbstractPattern::AttrS54         = QStringLiteral("s54");
 const QString VAbstractPattern::AttrS56         = QStringLiteral("s56");
 
 const QString VAbstractPattern::IncrementName        = QStringLiteral("name");
-const QString VAbstractPattern::IncrementBase        = QStringLiteral("base");
-const QString VAbstractPattern::IncrementKsize       = QStringLiteral("ksize");
-const QString VAbstractPattern::IncrementKgrowth     = QStringLiteral("kgrowth");
+const QString VAbstractPattern::IncrementFormula     = QStringLiteral("formula");
 const QString VAbstractPattern::IncrementDescription = QStringLiteral("description");
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/ifc/xml/vabstractpattern.h b/src/libs/ifc/xml/vabstractpattern.h
index 892cb7b56..4b03c80b0 100644
--- a/src/libs/ifc/xml/vabstractpattern.h
+++ b/src/libs/ifc/xml/vabstractpattern.h
@@ -168,9 +168,7 @@ public:
     static const QString AttrS56;
 
     static const QString IncrementName;
-    static const QString IncrementBase;
-    static const QString IncrementKsize;
-    static const QString IncrementKgrowth;
+    static const QString IncrementFormula;
     static const QString IncrementDescription;
 
 signals:
diff --git a/src/libs/qmuparser/qmuparsererror.cpp b/src/libs/qmuparser/qmuparsererror.cpp
index d5bc769a9..91f212012 100644
--- a/src/libs/qmuparser/qmuparsererror.cpp
+++ b/src/libs/qmuparser/qmuparsererror.cpp
@@ -239,11 +239,8 @@ QmuParserError::QmuParserError ( EErrorCodes iErrc, const QString &sTok, const Q
       m_ErrMsg ( QmuParserErrorMsg::Instance() )
 {
     m_sMsg = m_ErrMsg[m_iErrc];
-    qDebug()<<m_sMsg;
     m_sMsg.replace("$POS$", QString().setNum ( m_iPos ));
-    qDebug()<<m_sMsg;
     m_sMsg.replace("$TOK$", m_sTok );
-    qDebug()<<m_sMsg;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/vformat/vmeasurements.cpp b/src/libs/vformat/vmeasurements.cpp
index eef452997..ea601301b 100644
--- a/src/libs/vformat/vmeasurements.cpp
+++ b/src/libs/vformat/vmeasurements.cpp
@@ -524,7 +524,7 @@ QStringList VMeasurements::ListKnown() const
     const QStringList list = ListAll();
     for (int i=0; i < list.size(); ++i)
     {
-        if (list.at(i).indexOf(CustomSign) != 0)
+        if (list.at(i).indexOf(CustomMSign) != 0)
         {
             listNames.append(list.at(i));
         }
diff --git a/src/libs/vpatterndb/calculator.cpp b/src/libs/vpatterndb/calculator.cpp
index b58601293..1a4bd0453 100644
--- a/src/libs/vpatterndb/calculator.cpp
+++ b/src/libs/vpatterndb/calculator.cpp
@@ -137,8 +137,7 @@ void Calculator::InitVariables(const VContainer *data, const QMap<int, QString>
         if (vars->contains(i.value()))
         {
             QSharedPointer<VInternalVariable> var = vars->value(i.value());
-            if ((patternType == MeasurementsType::Standard) &&
-                (var->GetType() == VarType::Measurement || var->GetType() == VarType::Increment))
+            if (patternType == MeasurementsType::Standard && var->GetType() == VarType::Measurement)
             {
                 QSharedPointer<VVariable> m = data->GetVariable<VVariable>(i.value());
                 m->SetValue(data->size(), data->height(), *data->GetPatternUnit());
diff --git a/src/libs/vpatterndb/variables/vincrement.cpp b/src/libs/vpatterndb/variables/vincrement.cpp
index 3231a83c1..c72a96d9f 100644
--- a/src/libs/vpatterndb/variables/vincrement.cpp
+++ b/src/libs/vpatterndb/variables/vincrement.cpp
@@ -47,8 +47,9 @@ VIncrement::VIncrement()
  * @param base value
  * @param description description of increment
  */
-VIncrement::VIncrement(const QString &name, quint32 id, qreal base, QString description)
-    :VVariable(name, base, description), d(new VIncrementData(id))
+VIncrement::VIncrement(VContainer *data, const QString &name, quint32 index, qreal base, const QString &formula,
+                       bool ok, const QString description)
+    :VVariable(name, base, description), d(new VIncrementData(data, index, formula, ok))
 {
     SetType(VarType::Increment);
 }
@@ -76,20 +77,28 @@ VIncrement::~VIncrement()
 
 //---------------------------------------------------------------------------------------------------------------------
 /**
- * @brief getId return id of row
- * @return id
+ * @brief getIndex return index of row
+ * @return index
  */
-quint32 VIncrement::getId() const
+quint32 VIncrement::getIndex() const
 {
-    return d->id;
+    return d->index;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-/**
- * @brief setId set id of row
- * @param value id
- */
-void VIncrement::setId(const quint32 &value)
+QString VIncrement::GetFormula() const
 {
-    d->id = value;
+    return d->formula;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool VIncrement::IsFormulaOk() const
+{
+    return d->formulaOk;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VContainer *VIncrement::GetData()
+{
+    return &d->data;
 }
diff --git a/src/libs/vpatterndb/variables/vincrement.h b/src/libs/vpatterndb/variables/vincrement.h
index b2df14f6d..7a7d088cd 100644
--- a/src/libs/vpatterndb/variables/vincrement.h
+++ b/src/libs/vpatterndb/variables/vincrement.h
@@ -32,6 +32,7 @@
 #include "vvariable.h"
 
 class VIncrementData;
+class VContainer;
 
 /**
  * @brief The VIncrement class keep data row of increment table
@@ -40,13 +41,17 @@ class VIncrement :public VVariable
 {
 public:
     VIncrement();
-    VIncrement(const QString &name, quint32 id, qreal base, QString description = QString());
+    VIncrement(VContainer *data, const QString &name, quint32 index, qreal base, const QString &formula, bool ok,
+               const QString description = QString());
     VIncrement(const VIncrement &incr);
     VIncrement &operator=(const VIncrement &incr);
     virtual ~VIncrement() Q_DECL_OVERRIDE;
 
-    quint32 getId() const;
-    void    setId(const quint32 &value);
+    quint32     getIndex() const;
+    QString     GetFormula() const;
+    bool        IsFormulaOk() const;
+    VContainer *GetData();
+
 private:
     QSharedDataPointer<VIncrementData> d;
 };
diff --git a/src/libs/vpatterndb/variables/vincrement_p.h b/src/libs/vpatterndb/variables/vincrement_p.h
index 52e4f2b75..29c6c8317 100644
--- a/src/libs/vpatterndb/variables/vincrement_p.h
+++ b/src/libs/vpatterndb/variables/vincrement_p.h
@@ -32,6 +32,7 @@
 #include <QSharedData>
 
 #include "../ifc/ifcdef.h"
+#include "vcontainer.h"
 
 #ifdef Q_CC_GNU
     #pragma GCC diagnostic push
@@ -43,21 +44,24 @@ class VIncrementData : public QSharedData
 public:
 
     VIncrementData()
-        :id(NULL_ID)
+        :index(NULL_ID), formula(QString()), formulaOk(false), data(VContainer(nullptr, nullptr))
     {}
 
-    VIncrementData(quint32 id)
-        :id(id)
+    VIncrementData(VContainer *data, quint32 index, const QString &formula, bool ok)
+        :index(index), formula(formula), formulaOk(ok), data(*data)
     {}
 
     VIncrementData(const VIncrementData &incr)
-        :QSharedData(incr), id(incr.id)
+        :QSharedData(incr), index(incr.index), formula(incr.formula), formulaOk(incr.formulaOk), data(incr.data)
     {}
 
     virtual  ~VIncrementData();
 
     /** @brief id each increment have unique identificator */
-    quint32 id;
+    quint32 index;
+    QString formula;
+    bool    formulaOk;
+    VContainer data;
 };
 
 VIncrementData::~VIncrementData()
diff --git a/src/libs/vpatterndb/variables/vmeasurement.cpp b/src/libs/vpatterndb/variables/vmeasurement.cpp
index 0e6527a81..e72c8bd6c 100644
--- a/src/libs/vpatterndb/variables/vmeasurement.cpp
+++ b/src/libs/vpatterndb/variables/vmeasurement.cpp
@@ -219,7 +219,7 @@ QString VMeasurement::GetFormula() const
 //---------------------------------------------------------------------------------------------------------------------
 bool VMeasurement::IsCustom() const
 {
-    if (GetName().indexOf(CustomSign) == 0)
+    if (GetName().indexOf(CustomMSign) == 0)
     {
         return true;
     }
diff --git a/src/libs/vpatterndb/variables/vmeasurement_p.h b/src/libs/vpatterndb/variables/vmeasurement_p.h
index 4905d58f5..21fc9cea2 100644
--- a/src/libs/vpatterndb/variables/vmeasurement_p.h
+++ b/src/libs/vpatterndb/variables/vmeasurement_p.h
@@ -58,7 +58,6 @@ public:
 
     virtual  ~VMeasurementData();
 
-    /** @brief description description measurement */
     VContainer data;
     quint32 index;
     QString formula;
diff --git a/src/libs/vpatterndb/vtranslatevars.cpp b/src/libs/vpatterndb/vtranslatevars.cpp
index e180dc2d2..c9c90ccb9 100644
--- a/src/libs/vpatterndb/vtranslatevars.cpp
+++ b/src/libs/vpatterndb/vtranslatevars.cpp
@@ -705,6 +705,7 @@ QString VTranslateVars::STDescription(const QString &id) const
  * @brief FormulaFromUser replace all known tokens in formula to internal look. Also change decimal
  * separator in numbers.
  * @param formula expression that need translate
+ * @throw qmu::QmuParserError in case of a wrong expression
  * @return translated expression
  */
 QString VTranslateVars::FormulaFromUser(const QString &formula, bool osSeparator) const