[Ghost]

steelik
Ффух... Тебе это нужно?

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Edit4: TEdit;
    Button1: TButton;
    procedure Button1Enable(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Enable(Sender: TObject);
begin
  Button1.Enabled := not((Edit1.Text = '') or (Edit2.Text = '') or (Edit3.Text = '') or (Edit4.Text = ''));
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Edit1.OnChange := Button1Enable;
  Edit2.OnChange := Button1Enable;
  Edit3.OnChange := Button1Enable;
  Edit4.OnChange := Button1Enable;
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  x, y, z, s: integer;
begin
  x := StrToInt(Edit1.Text);
  y := StrToInt(Edit2.Text);
  z := StrToInt(Edit3.Text);
  s := StrToInt(Edit4.Text);
  Edit1.Text := IntToStr(((y * z + 100) * 100) div s);
  Edit2.Text := IntToStr(((s - x) div z) div (z div 100));
  Edit3.Text := IntToStr((s - x) div ((x div 100) * y));
  Edit4.Text := IntToStr(x + (x div 100) * y * z);
end;

end.