lommeregner

Kig på Torry eller Superpage der er masser af comp. til at gøre dette

med denne kode kan du:  gange, divider, plus, minus,

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Buttons;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Counter: TEdit;
    Label4: TLabel;
    Devide: TSpeedButton;
    Reset: TSpeedButton;
    Add: TSpeedButton;
    Minus: TSpeedButton;
    Multiply: TSpeedButton;
    procedure DevideClick(Sender: TObject);
    procedure ResetClick(Sender: TObject);
    procedure AddClick(Sender: TObject);
    procedure MinusClick(Sender: TObject);
    procedure MultiplyClick(Sender: TObject);

  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}
var

FirstNumber,SecondNumber,Count: Integer;

procedure TForm1.DevideClick(Sender: TObject);
begin
FirstNumber  := StrToInt(Edit1.Text);
SecondNumber := StrToInt(Edit2.Text);
Edit3.Text :=IntToStr(FirstNumber Div SecondNumber);
Count := Count + 1;
Counter.Text := IntToStr(Count);
end;

procedure TForm1.ResetClick(Sender: TObject);

begin
Edit1.clear;
Edit2.clear;
Edit3.clear;
end;

procedure TForm1.AddClick(Sender: TObject);
begin
FirstNumber  := StrToInt(Edit1.Text);
SecondNumber := StrToInt(Edit2.Text);
Edit3.Text :=IntToStr(FirstNumber + SecondNumber);
Count := Count + 1;
Counter.Text := IntToStr(Count);
end;

procedure TForm1.MinusClick(Sender: TObject);
begin
FirstNumber  := StrToInt(Edit1.Text);
SecondNumber := StrToInt(Edit2.Text);
Edit3.Text :=IntToStr(FirstNumber - SecondNumber);
Count := Count + 1;
Counter.Text := IntToStr(Count);
end;

procedure TForm1.MultiplyClick(Sender: TObject);
begin
Counter.Text := IntToStr(Count);
FirstNumber := StrToInt(Edit1.Text);
SecondNumber :=StrToInt(Edit2.Text);
Edit3.Text  := IntToStr (FirstNumber * SecondNumber);
Count := Count + 1;
Counter.Text := IntToStr(Count);

end;

Initialization
Count:= 0;
end.