昨日のプログラムDelphi版

unit sampeUnit1;

interface

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

type
  TForm1 = class(TForm)
    LabeledEdit1: TLabeledEdit;
    LabeledEdit2: TLabeledEdit;
    Button1: TButton;
    LabeledEdit3: TLabeledEdit;
    LabeledEdit4: TLabeledEdit;
    LabeledEdit5: TLabeledEdit;
    LabeledEdit6: TLabeledEdit;
    procedure Button1Click(Sender: TObject);
  private
    { Private 宣言 }
  public
    { Public 宣言 }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var exA,exB:Extended;
begin
   exA:=StrToFloat(Form1.LabeledEdit1.Text);
   exB:=StrToFloat(Form1.LabeledEdit2.Text);

   Form1.LabeledEdit3.Text:=FloatToStr(exA + exB);
   Form1.LabeledEdit4.Text:=FloatToStr(exA - exB);
   Form1.LabeledEdit5.Text:=FloatToStr(exA * exB);
   Form1.LabeledEdit6.Text:=FloatToStr(exA / exB);
end;

end.