diff --git a/calculator.h b/calculator.h
deleted file mode 100644
index 7315a90d5c203cf0fe524f451ccab8753c3ba61a..0000000000000000000000000000000000000000
--- a/calculator.h
+++ /dev/null
@@ -1,54 +0,0 @@
-#ifndef CALCULATOR_H
-#define CALCULATOR_H
-
-#include <QWidget>
-#include <QStack>
-class QLCDNumber;
-class QPushButton;
-class QGridLayout;
-class QRadioButton;
-class QHBoxLayout;
-
-class Calculator : public QWidget
-{
-    Q_OBJECT
-
-public:
-    Calculator(QWidget *parent = nullptr);
-    ~Calculator();
-    void calc();
-
-private:
-    QLCDNumber* f_lcdNum;
-    QRadioButton* f_radioBtnCasual;
-    QRadioButton* f_radioBtnSci;
-
-    QStack<QString> f_operStack;
-    QString f_currentNum;
-    bool f_if_currNumChangable;
-
-    QGridLayout* f_BtnLayoutCasual;
-    QGridLayout* f_BtnLayoutSciExtr;
-    QWidget* f_BtnLayoutSciExtrWidget;
-    QWidget* f_BtnLayoutCasualExtrWidget;
-
-    QHBoxLayout* f_HBoxBtnLayout;
-
-    QGridLayout* MainLayout;
-
-
-    const double PI = 3.1415926535;
-    const QVector<QString> NumND = {"e", "pi"};
-    const QVector<QString> UnOp = {"rev", "sqr", "sqrt", "-x", "sin", "cos", "tan", "tanh", "sinh", "cosh", "ln", "exp", "n!", "cubic root", "cubic sqr"};
-    const QVector<QString> OpToCountimmediately = {"log", "ysqr", "ysqrt"}; 
-    const QVector<QString> SumOp = {"+", "-"}; 
-    
-    QPushButton* createButton(const QString &p_str, size_t p_horz, size_t p_vert);
-
-public slots:
-    void slotButtonClicked();
-    void slotHideSci(bool);
-    void slotShowSci(bool);
-
-};
-#endif // CALCULATOR_H