л.р. 6 / 1 / Unit1

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Math, ExtCtrls, TeeProcs, TeEngine, Chart, Series;

type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Label3: TLabel;
Label4: TLabel;
Edit3: TEdit;
Edit4: TEdit;
Label5: TLabel;
Edit5: TEdit;
Button1: TButton;
Memo1: TMemo;
Chart1: TChart;
Series1: TLineSeries;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
xn,xk,dx,x,y,a,b:real;
i:byte;
sx,sy,si:string;
begin
a:=strToFloat(Edit1.Text);
b:=strToFloat(Edit2.Text);
xn:=StrToFloat(Edit3.Text);
xk:=StrToFloat(Edit4.Text);
dx:=StrToFloat(Edit5.Text);
Memo1.Lines.Add('*********************');
Memo1.Lines.Add(' *N* *X* *Y*');
Memo1.Lines.Add('*********************');
x:=xn;
i:=1;
while x<=xk do
begin
y:=(sqrt(a+b*x))/(sqrt(sqr(ln(x))));
str(x:7:2,sx);
str(y:7:2,sy);
str(i:3,si);
Memo1.Lines.Add('*'+si+'*'+sx+'*'+sy+'*');
chart1.SeriesList[0].AddXY(x,y) ;
i:=i+1;
x:=x+dx;
end;
Memo1.Lines.Add('*********************');

end;

end.