ЛР9


unit unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;
type
TForm1 = class(TForm)
Label8: TLabel;
Label10: TLabel;
RadioGroup1: TRadioGroup;
RadioGroup2: TRadioGroup;
Edit4: TEdit;
Edit5: TEdit;
Edit6: TEdit;
Label1: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label13: TLabel;
Label14: TLabel;
Edit7: TEdit;
Edit8: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
begin
case radiogroup2.ItemIndex of
0: case radiogroup1.ItemIndex of
0: edit8.text:= floattostrf(strtofloat(edit1.text)*strtofloat(edit7.Text),fffixed,10,2);
1: edit8.text:= floattostrf(strtofloat(edit2.text)*strtofloat(edit7.Text),fffixed,10,2);
2: edit8.text:= floattostrf(strtofloat(edit3.text)*strtofloat(edit7.Text),fffixed,10,2);
end;
1: case radiogroup1.ItemIndex of
0: edit8.text:= floattostrf(strtofloat(edit4.text)*strtofloat(edit7.Text),fffixed,10,2);
1: edit8.text:= floattostrf(strtofloat(edit5.text)*strtofloat(edit7.Text),fffixed,10,2);
2: edit8.text:= floattostrf(strtofloat(edit6.text)*strtofloat(edit7.Text),fffixed,10,2);
end;
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
radiogroup1.ItemIndex:=-1;
radiogroup2.ItemIndex:=-1;
edit7.text:='0';
edit8.text:='0';
end;
end.