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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, XPMan, Menus;
type
TForm1 = class(TForm)
Edit1: TEdit;
Label1: TLabel;
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
Button6: TButton;
Button7: TButton;
Button8: TButton;
Button9: TButton;
Button10: TButton;
Button11: TButton;
Button18: TButton;
Button12: TButton;
Button13: TButton;
Button14: TButton;
Button15: TButton;
Button16: TButton;
Button17: TButton;
Button19: TButton;
Button20: TButton;
procedure FormCreate(Sender: TObject);
procedure Button7Click(Sender: TObject);
procedure Button8Click(Sender: TObject);
procedure Button9Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button10Click(Sender: TObject);
procedure Button11Click(Sender: TObject);
procedure Button17Click(Sender: TObject);
procedure Button15Click(Sender: TObject);
procedure Button12Click(Sender: TObject);
procedure Button13Click(Sender: TObject);
procedure Button14Click(Sender: TObject);
procedure Button18Click(Sender: TObject);
procedure Button19Click(Sender: TObject);
procedure Button16Click(Sender: TObject);
procedure Button20Click(Sender: TObject);
procedure FormKeyPress(Sender: TObject; var Key: Char);
{procedure N2Click(Sender: TObject);}
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1; a, b, c, o, p : extended; znak: char;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
form1.KeyPreview:=true;
a:=0;
b:=0;
c:=0;
end;
procedure TForm1.Button7Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'1';
end;
procedure TForm1.Button8Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'2';
end;
procedure TForm1.Button9Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'3';
end;
procedure TForm1.Button4Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'4';
end;
procedure TForm1.Button5Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'5';
end;
procedure TForm1.Button6Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'6';
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'7';
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'8';
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'9';
end;
procedure TForm1.Button10Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+'0';
end;
procedure TForm1.Button11Click(Sender: TObject);
begin
edit1.Text:=edit1.Text+',';
end;
procedure TForm1.Button17Click(Sender: TObject);
begin
c:=StrToFloat(edit1.Text);
c:=c*(-1);
edit1.Text:=FloatToStr(c);
end;
procedure TForm1.Button12Click(Sender: TObject);
begin
a:=StrToFloat(edit1.Text);
Label1.Caption:=Label1.Caption+edit1.Text+'+';
edit1.Text:='';
znak:='+';
end;
procedure TForm1.Button13Click(Sender: TObject);
begin
a:=StrToFloat(edit1.Text);
Label1.Caption:=Label1.Caption+edit1.Text+'-';
edit1.Text:='';
znak:='-';
end;
procedure TForm1.Button14Click(Sender: TObject);
begin
a:=StrToFloat(edit1.Text);
Label1.Caption:=Label1.Caption+edit1.Text+'*';
edit1.Text:='';
znak:='*';
end;
procedure TForm1.Button15Click(Sender: TObject);
begin
a:=StrToFloat(edit1.Text);
Label1.Caption:=Label1.Caption+edit1.Text+'/';
edit1.Text:='';
znak:='/';
end;
procedure TForm1.Button18Click(Sender: TObject);
begin
Label1.Caption:=Label1.Caption+edit1.Text;
b:=StrToFloat(edit1.Text);
case znak of
'+': a:=a+b;
'-': a:=a-b;
'*': a:=a*b;
'/': a:=a/b;
'%': a:=a/100*b;
end;
Label1.Caption:=Label1.Caption+'='+FloatToStr(a);
edit1.Text:=FloatToStr(a);
end;
procedure TForm1.Button19Click(Sender: TObject);
begin
a:=0;
b:=0;
c:=0;
edit1.Text:='';
Label1.Caption:='';
end;
procedure TForm1.Button16Click(Sender: TObject);
begin
a:=StrToFloat(edit1.Text);
Label1.Caption:=Label1.Caption+edit1.Text+'%';
edit1.Text:='';
znak:='%';
end;
procedure TForm1.Button20Click(Sender: TObject);
var
s: string;
begin
s := edit1.text;
delete(s, Length(Edit1.Text), 1);
Edit1.text := s;
end;
procedure TForm1.FormKeyPress(Sender: TObject; var Key: Char);
begin
if key=#97 then
edit1.Text:=edit1.Text+'1';
if key=#98 then
edit1.Text:=edit1.Text+'2';
if key=#99 then
edit1.Text:=edit1.Text+'3';
if key=#100 then
edit1.Text:=edit1.Text+'4';
if key=#101 then
edit1.Text:=edit1.Text+'5';
if key=#102 then
edit1.Text:=edit1.Text+'6';
if key=#103 then
edit1.Text:=edit1.Text+'7';
if key=#104 then
edit1.Text:=edit1.Text+'8';
if key=#105 then
edit1.Text:=edit1.Text+'9';
if key=#96 then
edit1.Text:=edit1.Text+'0';
if key=#106 then
Button14Click(self);
if key=#107 then
Button12Click(self);
if key=#109 then
Button13Click(self);
if key=#111 then
Button15Click(self);
if key=#110 then
Button11Click(self);
end;
end. |
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Сообщение от Sanuushka
