Архив всех лаб (delphi) / 6.общая / Unit1

unit Unit1;

interface

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

type
TForm1 = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Memo1: TMemo;
Label2: TLabel;
Label3: TLabel;
Edit3: TEdit;
Label4: TLabel;
Edit4: TEdit;
Button1: TButton;
BitBtn1: TBitBtn;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
edit1.Text:='0';
edit2.Text:='1';
edit3.Text:='0,1';
edit4.Text:='0,0001';
memo1.clear;
end;

procedure TForm1.Button1Click(Sender: TObject);
var a,b,h,x,s,eps:extended;
it:word;
begin
a:=StrToFloat(Edit1.text);
b:=StrToFloat(Edit2.text);
h:=StrToFloat(Edit3.text);
eps:=StrToFloat(Edit4.text);
x:=a;
repeat
sum(x,eps,s,it);
memo1.Lines.Add(floattostrf(x,fffixed,5,2)+
' '+floattostrf(s,fffixed,9,6)+
' '+floattostrf(y(x),fffixed,9,6)+
' '+inttostr(it));
x:=x+h;
until x>b+0.0000000001;
end;

end.