Program Mengitung Nilai ujian (if majemuk) via delphi 2010 by riki darman

ni desainnya :



unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Button1: TButton;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Button2: TButton;
    Button3: 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);
var uts:real;
    uas:real;
    angka:real;
    huruf: string;

begin
uts:= StrToFloat(Edit1 .Text );
uas:= StrToFloat(Edit2 .Text ) ;
angka := (uts + uas) / 2;
    If Angka <20 then
      Huruf:='E'
    else If Angka <30 then
      Huruf:='D'
    else If Angka <35 then
      Huruf:='C-'
    else If Angka <40 then
      Huruf:='C'
    else If Angka <50 then
      Huruf:='C+'
    else If Angka <60 then
      Huruf:='B-'
    else If Angka <70 then
      Huruf:='B'
    else If Angka <80 then
      Huruf:='B+'
    else If Angka <90 then
      Huruf:='A-'
    else
      Huruf:='A';

      edit3.Text := FloatToStr(angka ) ;
      edit4.Text := huruf;


end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  edit1.Text :='';
  edit2.Text :='';
  edit3.Text :='';
  edit4.Text :='';
end;

end.

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