unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 =
class(TForm)
GroupBox1: TGroupBox;
GroupBox2: TGroupBox;
Label2: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Label1: TLabel;
Edit3: TEdit;
Edit4: TEdit;
Label3: TLabel;
Label4: TLabel;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Button3Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button3Click(Sender: TObject);
begin
Form1.close;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
edit1.Text:='
';
edit2.Text:='
';
edit3.Text:='
';
edit4.Text:='
';
end;
procedure TForm1.Button1Click(Sender: TObject);
var
verbrauch,liter, benzin ,b:real;
begin
verbrauch:=strtofloat(edit2.Text)/strtofloat(edit1.Text)*100;
edit3.Text:=floattostr(verbrauch);
end;
end.