Kalkulator

//---------------------------------------------------------------------------

#include <vcl.h>

#pragma hdrstop

#include “Unit1.h”

//---------------------------------------------------------------------------

#pragma package(smart_init)

#pragma resource “*.dfm”

TForm1 *Form1;

//---------------------------------------------------------------------------

__fastcall TForm1::TForm1(TComponent* Owner)

: TForm(Owner)

{

}

//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)

{

float a,b,wynik;

a=StrToFloat(Edit1->Text);

b=StrToFloat(Edit2->Text);

if (RadioButton1->Checked) wynik=a+b;

if (RadioButton2->Checked) wynik=a-b;

if (RadioButton3->Checked) wynik=a*b;

if (RadioButton4->Checked) wynik=a/b;

Edit3->Text=FloatToStr(wynik);

}

//---------------------------------------------------------------------------

void __fastcall TForm1::Edit3Change(TObject *Sender)

{

Edit3->Text=IntToStr(StrToInt(Edit1->Text)+StrToInt(Edit2->Text));

}

//---------------------------------------------------------------------------

void __fastcall TForm1::Edit1Change(TObject *Sender)

{

if (Edit1->Text==”0”) Edit1->Text=””;

}

//---------------------------------------------------------------------------