PROGRAM KUADRAN

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    GroupBox1: TGroupBox;
    Edit1: TEdit;
    Edit2: TEdit;
    Memo1: TMemo;
    Label1: TLabel;
    Label2: TLabel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var a,b:integer;
begin
a:=StrToInt(Edit1.Text);
b:=StrToInt(Edit2.Text);
if (a>0) and (b>0) then Memo1.Lines.Add('KUADRAN I');
if (a<0) and (b>0) then Memo1.Lines.Add('KUADRAN II') ;
if (a<0) and (b<0) then Memo1.Lines.Add('KUADRAN III') ;
if (a>0) and (b<0) then Memo1.Lines.Add('KUADRAN IV')    ;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Edit1.Clear;Edit2.Clear;
Memo1.Clear;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
ShowMessage('apakan anda benar-benar ingin keluar');
Application.Terminate;
end;

end.