unit Unit1;

interface

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

type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Button1: TButton;
Edit4: TEdit;
Edit5: TEdit;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
Label8: TLabel;
Label9: TLabel;
Label10: TLabel;
Label11: TLabel;
Label12: TLabel;
Label13: TLabel;
Label14: TLabel;
Label15: TLabel;
Label16: TLabel;
Label17: TLabel;
Label18: TLabel;
Label19: TLabel;
Label20: TLabel;
Label21: TLabel;
Label22: TLabel;
Label23: TLabel;
Label24: TLabel;
Label25: TLabel;
Button2: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
Edit6: TEdit;
Edit7: TEdit;
Edit8: TEdit;
Edit9: TEdit;
Edit10: TEdit;
Edit11: TEdit;
Edit12: TEdit;
Edit13: TEdit;
Edit14: TEdit;
Edit15: TEdit;
Edit16: TEdit;
Edit17: TEdit;
Edit18: TEdit;
Edit19: TEdit;
Edit20: TEdit;
Edit21: TEdit;
Label26: TLabel;
Label27: TLabel;
Label28: TLabel;
Label29: TLabel;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
ps,ts,tas,ks,ss:real;
begin
ps:=StrTofloat(Edit1.Text);
ts:=StrTofloat(Edit2.Text);
tas:=StrTofloat(Edit3.Text);
ks:=ts-ps;
ss:=ks*tas;
Edit4.Text:=floattostr(ks);
Edit5.Text:=floattostr(ss);

end;

procedure TForm1.Button2Click(Sender: TObject);

var
pg,tg,tag,kg,sg:real;
begin
pg:=StrTofloat(Edit6.Text);
tg:=StrTofloat(Edit7.Text);
tag:=StrTofloat(Edit8.Text);
kg:=tg-pg;
sg:=kg*tag;
Edit9.Text:=floattostr(kg);
Edit10.Text:=floattostr(sg);
end;

procedure TForm1.Button3Click(Sender: TObject);

var
ph,th,tah,kh,sh:real;
begin
ph:=StrTofloat(Edit11.Text);
th:=StrTofloat(Edit12.Text);
tah:=StrTofloat(Edit13.Text);
kh:=th-ph;
sh:=kh*tah;
Edit14.Text:=floattostr(kh);
Edit15.Text:=floattostr(sh);
end;

procedure TForm1.Button4Click(Sender: TObject);
var
a,b,c,d,e:real;
begin
a:=StrTofloat(Edit16.Text);
b:=StrTofloat(Edit17.Text);
c:=StrTofloat(Edit18.Text);
begin
d:=b-a;
e:=d*c;
Edit19.Text:=floattostr(d);
Edit20.Text:=floattostr(e);
end;
end;

procedure TForm1.Button5Click(Sender: TObject);
var
ss,sg,sh,e,k:real;

begin
k:=ss+sg+sh+e;
Edit21.Text:=floattostr(k);
end;

end.