diff --git a/src/app/dialogs/tools/dialogendline.cpp b/src/app/dialogs/tools/dialogendline.cpp
index cdc6aad14..b9b1b4279 100644
--- a/src/app/dialogs/tools/dialogendline.cpp
+++ b/src/app/dialogs/tools/dialogendline.cpp
@@ -39,13 +39,10 @@ DialogEndLine::DialogEndLine(const VContainer *data, QWidget *parent)
     ui->setupUi(this);
     InitVariables(ui);
     labelResultCalculation = ui->labelResultCalculation;
-    plainTextEditFormula = ui->plainTextEditFormula;
+    lineEditFormula = ui->lineEditFormula;
     labelEditFormula = ui->labelEditFormula;
     labelEditNamePoint = ui->labelEditNamePoint;
 
-    // TODO : auto extend height on first value length.
-    this->formulaBaseHeight=ui->plainTextEditFormula->height();
-
     InitOkCansel(ui);
     flagFormula = false;
     flagName = false;
@@ -60,29 +57,7 @@ DialogEndLine::DialogEndLine(const VContainer *data, QWidget *parent)
     connect(ui->listWidget, &QListWidget::itemDoubleClicked, this, &DialogEndLine::PutVal);
     connect(ui->toolButtonEqual, &QPushButton::clicked, this, &DialogEndLine::EvalFormula);
     connect(ui->lineEditNamePoint, &QLineEdit::textChanged, this, &DialogEndLine::NamePointChanged);
-    connect(ui->plainTextEditFormula, &QPlainTextEdit::textChanged, this, &DialogEndLine::FormulaTextChanged);
-    connect(ui->pushButtonGrowLength, &QPushButton::clicked, this, &DialogEndLine::DeployFormulaTextEdit);
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void DialogEndLine::FormulaTextChanged()
-{
-    // TODO issue #79 :  back to FormulaChanged when full update
-    // Also remove this function if only one function called here
-    this->FormulaChanged2();
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void DialogEndLine::DeployFormulaTextEdit()
-{
-    if (ui->plainTextEditFormula->height() < 64)
-    {
-        ui->plainTextEditFormula->setFixedHeight(64);
-    }
-    else
-    {
-       ui->plainTextEditFormula->setFixedHeight(this->formulaBaseHeight);
-    }
+    connect(ui->lineEditFormula, &QLineEdit::textChanged, this, &DialogEndLine::FormulaChanged);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -115,10 +90,7 @@ void DialogEndLine::setTypeLine(const QString &value)
 void DialogEndLine::setFormula(const QString &value)
 {
     formula = value;
-    ui->plainTextEditFormula->setPlainText(value);
-    //QTextCursor cursor = ui->plainTextEditFormula->textCursor();
-    //cursor.insertText(value);
-    //ui->plainTextEditFormula->setCursor(cursor);
+    ui->lineEditFormula->setText(formula);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -139,7 +111,7 @@ void DialogEndLine::DialogAccepted()
 {
     pointName = ui->lineEditNamePoint->text();
     typeLine = GetTypeLine(ui->comboBoxLineType);
-    formula = ui->plainTextEditFormula->toPlainText();
+    formula = ui->lineEditFormula->text();
     angle = ui->doubleSpinBoxAngle->value();
     basePointId = getCurrentObjectId(ui->comboBoxBasePoint);
     emit DialogClosed(QDialog::Accepted);
diff --git a/src/app/dialogs/tools/dialogendline.h b/src/app/dialogs/tools/dialogendline.h
index 9765d6cbb..7dfc82b03 100644
--- a/src/app/dialogs/tools/dialogendline.h
+++ b/src/app/dialogs/tools/dialogendline.h
@@ -112,14 +112,6 @@ public slots:
      * @brief DialogAccepted save data and emit signal about closed dialog.
      */
     virtual void      DialogAccepted();
-    /**
-     * @brief DeployFormulaTextEdit grow or shrink formula input
-     */
-    void DeployFormulaTextEdit();
-    /**
-     * @brief FormulaTextChanged when formula text changes for validation and calc
-     */
-    void FormulaTextChanged();
 private:
     Q_DISABLE_COPY(DialogEndLine)
     /**
@@ -146,10 +138,6 @@ private:
      * @brief basePointId id base point of line
      */
     quint32            basePointId;
-    /**
-     * @brief formulaBaseHeight base height defined by dialogui
-     */
-    int formulaBaseHeight;
 };
 
 inline QString DialogEndLine::getPointName() const
diff --git a/src/app/dialogs/tools/dialogendline.ui b/src/app/dialogs/tools/dialogendline.ui
index 797078a5a..1d6c59866 100644
--- a/src/app/dialogs/tools/dialogendline.ui
+++ b/src/app/dialogs/tools/dialogendline.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>486</width>
-    <height>522</height>
+    <width>539</width>
+    <height>559</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -74,17 +74,17 @@
       </widget>
      </item>
      <item>
-      <spacer name="horizontalSpacer">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
+      <widget class="QLineEdit" name="lineEditFormula">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
        </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
+       <property name="toolTip">
+        <string>Formula for calculation of length of line</string>
        </property>
-      </spacer>
+      </widget>
      </item>
      <item>
       <widget class="QToolButton" name="toolButtonPutHere">
@@ -147,56 +147,6 @@
      </item>
     </layout>
    </item>
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_8">
-     <item>
-      <widget class="QPlainTextEdit" name="plainTextEditFormula">
-       <property name="maximumSize">
-        <size>
-         <width>16777215</width>
-         <height>24</height>
-        </size>
-       </property>
-       <property name="baseSize">
-        <size>
-         <width>4</width>
-         <height>0</height>
-        </size>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="pushButtonGrowLength">
-       <property name="maximumSize">
-        <size>
-         <width>16</width>
-         <height>16</height>
-        </size>
-       </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/>
-       </property>
-       <property name="icon">
-        <iconset resource="../../share/resources/icon.qrc">
-         <normaloff>:/icon/16x16/go-down.png</normaloff>
-         <activeoff>:/icon/16x16/go-next.png</activeoff>:/icon/16x16/go-down.png</iconset>
-       </property>
-       <property name="iconSize">
-        <size>
-         <width>16</width>
-         <height>16</height>
-        </size>
-       </property>
-       <property name="flat">
-        <bool>true</bool>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout_2">
      <item>
@@ -600,6 +550,7 @@
   </layout>
  </widget>
  <tabstops>
+  <tabstop>lineEditFormula</tabstop>
   <tabstop>comboBoxBasePoint</tabstop>
   <tabstop>lineEditNamePoint</tabstop>
   <tabstop>doubleSpinBoxAngle</tabstop>
diff --git a/src/app/dialogs/tools/dialogtool.cpp b/src/app/dialogs/tools/dialogtool.cpp
index ada3d1e16..c10df30c0 100644
--- a/src/app/dialogs/tools/dialogtool.cpp
+++ b/src/app/dialogs/tools/dialogtool.cpp
@@ -33,15 +33,10 @@
 
 #include <QtWidgets>
 
-// TODO : for issue #79
-// replace lineEditFormula -> plainTextEditFormula
-// delete lineEditFormala everywhrer
-// delete PutValHere and eval overloaded functions
-
 //---------------------------------------------------------------------------------------------------------------------
 DialogTool::DialogTool(const VContainer *data, QWidget *parent)
     :QDialog(parent), data(data), isInitialized(false), flagName(true), flagFormula(true), timerFormula(nullptr),
-      bOk(nullptr), spinBoxAngle(nullptr), lineEditFormula(nullptr), plainTextEditFormula(nullptr), listWidget(nullptr),
+      bOk(nullptr), spinBoxAngle(nullptr), lineEditFormula(nullptr), listWidget(nullptr),
       labelResultCalculation(nullptr), labelDescription(nullptr), labelEditNamePoint(nullptr),
       labelEditFormula(nullptr), radioButtonSizeGrowth(nullptr), radioButtonStandardTable(nullptr),
       radioButtonIncrements(nullptr), radioButtonLengthLine(nullptr), radioButtonLengthArc(nullptr),
@@ -288,42 +283,22 @@ void DialogTool::ChangeCurrentData(QComboBox *box, const quint32 &value) const
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
 void DialogTool::PutValHere(QLineEdit *lineEdit, QListWidget *listWidget)
-{   // TODO issue #79 : erase this function after all tools updated to plainTextEdit
+{
     Q_CHECK_PTR(lineEdit);
     Q_CHECK_PTR(listWidget);
     QListWidgetItem *item = listWidget->currentItem();
     Q_CHECK_PTR(item);
-
     int pos = lineEdit->cursorPosition();
     lineEdit->setText(lineEdit->text().insert(lineEdit->cursorPosition(), item->text()));
     lineEdit->setFocus();
     lineEdit->setCursorPosition(pos + item->text().size());
-
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-void DialogTool::PutValHere(QPlainTextEdit *plainTextEdit, QListWidget *listWidget)
-{
-    Q_CHECK_PTR(plainTextEdit);
-    Q_CHECK_PTR(listWidget);
-    QListWidgetItem *item = listWidget->currentItem();
-    Q_CHECK_PTR(item);
-
-    QTextCursor cursor = plainTextEdit->textCursor();
-    cursor.insertText(item->text());
-    plainTextEdit->setTextCursor(cursor);
-    /*
-    int pos = lineEdit->cursorPosition();
-    lineEdit->setText(lineEdit->text().insert(lineEdit->cursorPosition(), item->text()));
-    lineEdit->setFocus();
-    lineEdit->setCursorPosition(pos + item->text().size());
-    */
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void DialogTool::ValFormulaChanged(bool &flag, QLineEdit *edit, QTimer *timer)
-{// TODO issue #79 : erase this function after all tools updated to plainTextEdit
+{
     Q_CHECK_PTR(edit);
     Q_CHECK_PTR(timer);
     Q_CHECK_PTR(labelEditFormula);
@@ -338,26 +313,10 @@ void DialogTool::ValFormulaChanged(bool &flag, QLineEdit *edit, QTimer *timer)
     }
     timer->start(1000);
 }
-//---------------------------------------------------------------------------------------------------------------------
-void DialogTool::ValFormulaChanged(bool &flag, QPlainTextEdit *edit, QTimer *timer)
-{
-    Q_CHECK_PTR(edit);
-    Q_CHECK_PTR(timer);
-    Q_CHECK_PTR(labelEditFormula);
-    if (edit->toPlainText().isEmpty())
-    {
-        flag = false;
-        CheckState();
-        QPalette palette = labelEditFormula->palette();
-        palette.setColor(labelEditFormula->foregroundRole(), Qt::red);
-        labelEditFormula->setPalette(palette);
-        return;
-    }
-    timer->start(1000);
-}
 
+//---------------------------------------------------------------------------------------------------------------------
 void DialogTool::Eval(QLineEdit *edit, bool &flag, QTimer *timer, QLabel *label)
-{  // TODO issue #79 : erase this function after all tools updated to plainTextEdit
+{
     Q_CHECK_PTR(edit);
     Q_CHECK_PTR(timer);
     Q_CHECK_PTR(label);
@@ -391,45 +350,6 @@ void DialogTool::Eval(QLineEdit *edit, bool &flag, QTimer *timer, QLabel *label)
     labelEditFormula->setPalette(palette);
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-void DialogTool::Eval(QPlainTextEdit *edit, bool &flag, QTimer *timer, QLabel *label)
-{
-    Q_CHECK_PTR(edit);
-    Q_CHECK_PTR(timer);
-    Q_CHECK_PTR(label);
-    Q_CHECK_PTR(labelEditFormula);
-    QPalette palette = labelEditFormula->palette();
-    if (edit->toPlainText().isEmpty())
-    {
-        flag = false;
-        palette.setColor(labelEditFormula->foregroundRole(), Qt::red);
-    }
-    else
-    {
-        Calculator cal(data);
-        QString errorMsg;
-        // Replace line return with spaces for calc
-        QString formula = edit->toPlainText();
-        formula.replace("\n"," ");
-        qreal result = cal.eval(formula, &errorMsg);
-        if (errorMsg.isEmpty() == false)
-        {
-            label->setText(tr("Error"));
-            flag = false;
-            palette.setColor(labelEditFormula->foregroundRole(), Qt::red);
-        }
-        else
-        {
-            label->setText(QString().setNum(result));
-            flag = true;
-            palette.setColor(labelEditFormula->foregroundRole(), QColor(76, 76, 76));
-        }
-    }
-    CheckState();
-    timer->stop();
-    labelEditFormula->setPalette(palette);
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 void DialogTool::setCurrentPointId(QComboBox *box, quint32 &pointId, const quint32 &value, const quint32 &id) const
 {
@@ -569,17 +489,8 @@ void DialogTool::DialogRejected()
 
 //---------------------------------------------------------------------------------------------------------------------
 void DialogTool::FormulaChanged()
-{   // TODO issue #79 : erase after full update of tools.
-    QLineEdit* edit = qobject_cast<QLineEdit*>(sender());
-    if (edit)
-    {
-        ValFormulaChanged(flagFormula, edit, timerFormula);
-    }
-}
-//---------------------------------------------------------------------------------------------------------------------
-void DialogTool::FormulaChanged2()
 {
-    QPlainTextEdit* edit = qobject_cast<QPlainTextEdit*>(sender());
+    QLineEdit* edit = qobject_cast<QLineEdit*>(sender());
     if (edit)
     {
         ValFormulaChanged(flagFormula, edit, timerFormula);
@@ -645,9 +556,9 @@ void DialogTool::ArrowRightDown()
 //---------------------------------------------------------------------------------------------------------------------
 void DialogTool::EvalFormula()
 {
-    Q_CHECK_PTR(plainTextEditFormula);
+    Q_CHECK_PTR(lineEditFormula);
     Q_CHECK_PTR(labelResultCalculation);
-    Eval(plainTextEditFormula, flagFormula, timerFormula, labelResultCalculation);
+    Eval(lineEditFormula, flagFormula, timerFormula, labelResultCalculation);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -704,23 +615,19 @@ void DialogTool::Increments()
 //---------------------------------------------------------------------------------------------------------------------
 void DialogTool::PutHere()
 {
-    PutValHere(plainTextEditFormula, listWidget);
+    PutValHere(lineEditFormula, listWidget);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void DialogTool::PutVal(QListWidgetItem *item)
 {
-    Q_CHECK_PTR(plainTextEditFormula);
+    Q_CHECK_PTR(lineEditFormula);
     Q_CHECK_PTR(item);
-    QTextCursor cursor = plainTextEditFormula->textCursor();
-    cursor.insertText(item->text());
-    plainTextEditFormula->setTextCursor(cursor);
-    /*int pos = plainTextEditFormula->cursorPosition();
+    int pos = lineEditFormula->cursorPosition();
     lineEditFormula->setText(lineEditFormula->text().insert(lineEditFormula->cursorPosition(),
                                                             item->text()));
     lineEditFormula->setFocus();
     lineEditFormula->setCursorPosition(pos + item->text().size());
-    */
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/dialogs/tools/dialogtool.h b/src/app/dialogs/tools/dialogtool.h
index dc8eed65b..6def423d3 100644
--- a/src/app/dialogs/tools/dialogtool.h
+++ b/src/app/dialogs/tools/dialogtool.h
@@ -37,7 +37,6 @@
 #include <QRadioButton>
 #include <QDialogButtonBox>
 #include <QPushButton>
-#include <QPlainTextEdit>
 #include "../../container/vcontainer.h"
 #include "../../widgets/vapplication.h"
 
@@ -103,7 +102,6 @@ public slots:
      * @brief formula check formula
      */
     void             FormulaChanged();
-    void             FormulaChanged2();
     /**
      * @brief ArrowUp set angle value 90 degree
      */
@@ -216,7 +214,6 @@ protected:
      * @brief lineEditFormula linEdit for formula
      */
     QLineEdit        *lineEditFormula;
-    QPlainTextEdit   *plainTextEditFormula;
     /**
      * @brief listWidget listWidget with variables
      */
@@ -344,7 +341,6 @@ protected:
      * @param listWidget listWidget
      */
     void             PutValHere(QLineEdit *lineEdit, QListWidget *listWidget);
-    void             PutValHere(QPlainTextEdit *plainTextEdit, QListWidget *listWidget);
     /**
      * @brief ValFormulaChanged handle change formula
      * @param flag flag state of formula
@@ -352,7 +348,6 @@ protected:
      * @param timer timer of formula
      */
     void             ValFormulaChanged(bool &flag, QLineEdit *edit, QTimer * timer);
-    void             ValFormulaChanged(bool &flag, QPlainTextEdit *edit, QTimer * timer);
     /**
      * @brief Eval evaluate formula and show result
      * @param edit lineEdit of formula
@@ -360,7 +355,6 @@ protected:
      * @param timer timer of formula
      * @param label label for signal error
      */
-    void             Eval(QPlainTextEdit *edit, bool &flag, QTimer *timer, QLabel *label);
     void             Eval(QLineEdit *edit, bool &flag, QTimer *timer, QLabel *label);
     /**
      * @brief setCurrentPointId set current point id in combobox
diff --git a/src/app/share/resources/icon.qrc b/src/app/share/resources/icon.qrc
index 75a714bc7..64d48ee8e 100644
--- a/src/app/share/resources/icon.qrc
+++ b/src/app/share/resources/icon.qrc
@@ -52,7 +52,5 @@
         <file>icon/flags/uk.png</file>
         <file>icon/Graduation.png</file>
         <file>icon/individual.png</file>
-        <file>icon/16x16/go-down.png</file>
-        <file>icon/16x16/go-next.png</file>
     </qresource>
 </RCC>
diff --git a/src/app/share/resources/icon/16x16/go-down.png b/src/app/share/resources/icon/16x16/go-down.png
deleted file mode 100644
index a74287892..000000000
Binary files a/src/app/share/resources/icon/16x16/go-down.png and /dev/null differ
diff --git a/src/app/share/resources/icon/16x16/go-next.png b/src/app/share/resources/icon/16x16/go-next.png
deleted file mode 100644
index 5883d9dca..000000000
Binary files a/src/app/share/resources/icon/16x16/go-next.png and /dev/null differ