diff --git a/Unit3.cpp b/Unit3.cpp
deleted file mode 100644
index 0c41fb4..0000000
--- a/Unit3.cpp
+++ /dev/null
@@ -1,218 +0,0 @@
-//---------------------------------------------------------------------------
-
-#include <vcl.h>
-#pragma hdrstop
-
-#include "Unit3.h"
-//---------------------------------------------------------------------------
-#pragma package(smart_init)
-#pragma resource "*.dfm"
-TForm3 *Form3;
-//---------------------------------------------------------------------------
-__fastcall TForm3::TForm3(TComponent* Owner)
-        : TForm(Owner)
-{
-}
-//---------------------------------------------------------------------------
-
-
-void __fastcall TForm3::Button10Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+0;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button7Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+1;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button8Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+2;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button9Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+3;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button4Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+4;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button5Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+5;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button6Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+6;
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button1Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+7;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button2Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+8;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button3Click(TObject *Sender)
-{
-        Edit1->Text=Edit1->Text+9;        
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button13Click(TObject *Sender)
-{
-        if (mnozenie==true){
-                y=Edit1->Text.ToDouble();
-                x=x*y;
-                Edit1->Text="";
-
-        }
-        else{
-                x=Edit1->Text.ToDouble();
-                mnozenie=true;
-                Edit1->Clear();
-                dodawanie=false;
-                odejmowanie=false;
-                dzielenie=false;
-                przecinek=false;
-
-        }
-
-}
-//---------------------------------------------------------------------------
-
-void __fastcall TForm3::Button12Click(TObject *Sender)
-{
- if (dzielenie==true){
-                y=Edit1->Text.ToDouble();
-                x=x/y;
-                Edit1->Text="";
-
-        }
-        else{
-                x=Edit1->Text.ToDouble();
-                dzielenie=true;
-                Edit1->Clear();
-                dodawanie=false;
-                odejmowanie=false;
-                mnozenie=false;
-                przecinek=false;
-
-        }
-}
-//---------------------------------------------------------------------------
-void __fastcall TForm3::Button14Click(TObject *Sender)
-{
- if (dodawanie==true){
-                y=Edit1->Text.ToDouble();
-                x=x+y;
-                Edit1->Text="";
-
-        }
-        else{
-                x=Edit1->Text.ToDouble();
-                dodawanie=true;
-                Edit1->Clear();
-                mnozenie=false;
-                odejmowanie=false;
-                dzielenie=false;
-                przecinek=false;
-
-        }
-}
-//---------------------------------------------------------------------------
-void __fastcall TForm3::Button15Click(TObject *Sender)
-{
- if (odejmowanie==true){
-                y=Edit1->Text.ToDouble();
-                x=x-y;
-                Edit1->Text="";
-
-        }
-        else{
-                x=Edit1->Text.ToDouble();
-                odejmowanie=true;
-                Edit1->Clear();
-                dodawanie=false;
-                mnozenie=false;
-                dzielenie=false;
-                przecinek=false;
-
-        }
-}
-//---------------------------------------------------------------------------
-void __fastcall TForm3::Button16Click(TObject *Sender)
-{
-        x=0;
-        y=0;
-        Edit1->Text="";
-        dodawanie=false;
-        odejmowanie=false;
-        mnozenie=false;
-        dzielenie=false;
-                
-}
-//---------------------------------------------------------------------------
-void __fastcall TForm3::Button17Click(TObject *Sender)
-{
-        if(dodawanie==true){
-                y=Edit1->Text.ToDouble();
-                x=x+y;
-                Edit1->Text=x;
-                x=0;
-                y=0;
-                przecinek=false;
-        }
-        if(odejmowanie==true){
-                y=Edit1->Text.ToDouble();
-                x=x-y;
-                Edit1->Text=x;
-                x=0;
-                y=0;
-                przecinek=false;
-        }
-        if(mnozenie==true){
-                y=Edit1->Text.ToDouble();
-                x=x*y;
-                Edit1->Text=x;
-                x=0;
-                y=0;
-                przecinek=false;
-        }
-        if(dzielenie==true){
-                y=Edit1->Text.ToDouble();
-                x=x/y;
-                Edit1->Text=x;
-                x=0;
-                y=0;
-                przecinek=false;
-        }
-}
-//---------------------------------------------------------------------------
-void __fastcall TForm3::Button11Click(TObject *Sender)
-{
-        if (!przecinek){
-                AnsiString cyfra=Edit1->Text;
-                cyfra+=',';
-                Edit1->Text=cyfra;
-                przecinek=true;
-        }
-}
-//---------------------------------------------------------------------------