Построение блок схем алгоритмов. Алгоритмические языки высокого уровня

#include<iostream.h>
#include<math.h>
void main()
{
      float dx=0.25,y,x;
      for (x=2.0;x<=5.0     +0.5*dx;x+=dx)
      {
            if (x<=3.5)
                 y=cos(x)*cos(x);
            else
                 y=sin(x)*log(x);
            cout<<"Y= "<<y<<endl;
      }
}



Program lab_2;
Uses Crt;
Const
     dx=0.25;
Var
     x,y:real;
Begin
     clrscr;
     x:=2.0;
     while x<5.0+dx/2 do
     begin
          if x<=3.5 then
          begin
               y:=sqr(cos(x));
          end
          else y:=sin(x)*ln(x);
          writeln(y:3:5);
          x:=x+dx;
     end;
     readln;
End.



unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    ListBox1: TListBox;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
Const
        dx=0.25;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button2Click(Sender: TObject);
begin
        Close();
end;

procedure TForm1.Button1Click(Sender: TObject);
var
        Code:integer;
        x,y:real;
        s:string[11];
begin
        x:=2.0;
        while (x<5.0+0.5*dx) do
        begin
                if x<=3.5 then y:=sqr(cos(x))
                else y:=sin(x)*ln(x);
                x:=x+dx;
                Str(y:2:7,s);
                Listbox1.Items.Add(s);
        end;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
        Listbox1.Items.Clear;
end;

end.

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