л.р. 4 / защита 27 вариант / Unit1

unit Unit1;

interface

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

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

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
y,z,x,b:real;

begin
y:=strTofloat(edit1.Text);
z:=strTofloat(edit2.Text);
x:=strTofloat(edit3.Text);
b:=(sqrt(y*ln(x))-z*sqr(x))/(1+sqr(tan(sqr(x))))*x;
edit4.Text:=floatTOstr(b);

end;

end.