Форум

людиииии помогите калькулятор доделать сам не ма....
unit Unit1;

interface

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

type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
Button6: TButton;
Button7: TButton;
Button8: TButton;
Button9: TButton;
Button10: TButton;
Button11: TButton;
Button12: TButton;
Button13: TButton;
Button14: TButton;
Button15: TButton;
Edit1: TEdit;
Button16: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button10Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button11Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button7Click(Sender: TObject);
procedure Button8Click(Sender: TObject);
procedure Button9Click(Sender: TObject);
procedure Button16Click(Sender: TObject);
procedure Button12Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure input(s:string);
begin
form1.edit1.Text := form1.edit1.Text + s;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
input('1');
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
input('2');

end;

procedure TForm1.Button3Click(Sender: TObject);
begin
input('3');
end;

procedure TForm1.Button10Click(Sender: TObject);
begin
input('0');
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
input('4');
end;

procedure TForm1.Button11Click(Sender: TObject);
begin
input('+');
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
input('5');
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
input('6');
end;

procedure TForm1.Button7Click(Sender: TObject);
begin
input('7');
end;

procedure TForm1.Button8Click(Sender: TObject);
begin
input('8');
end;

procedure TForm1.Button9Click(Sender: TObject);
begin
input('9');
end;

procedure TForm1.Button16Click(Sender: TObject);
var i,c:integer;
s1,s2,op : string;
a,b:real;
begin

i := pos('+',Edit1.Text);
op := '+';

if i = 0 then
begin
i := pos('-',Edit1.Text);
op := '-';
end;

s1 := copy(Edit1.Text,1,i-1);
s2 := copy(Edit1.Text,i+1, length(edit1.Text));
val (s1,a,c);
val (s2,b,c);
if op='+' then edit1.Text := FloatToStr(a+b);
if op='-' then edit1.Text := FloatToStr(a-b);

end;

procedure TForm1.Button12Click(Sender: TObject);
begin
input('-');
end;

end.

если вы программированием занимаетесь...