Showing posts with label area of the circle solver in delphi. Show all posts
Showing posts with label area of the circle solver in delphi. Show all posts

Friday, September 2, 2016

Area of the Circle Solver in Delphi

A program that I wrote using Delphi that will ask the user to give the radius of the circle and then our program will compute for it's area. The code is very easy to understand and use. I intended my work for those that are beginners in Delphi programming.

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My mobile number here in the Philippines is 09173084360.



Sample Program Output


Program Listing

area.pas

unit area;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Label4: TLabel;
    Button1: TButton;
    Button2: TButton;
    Label5: TLabel;
    Label6: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public



    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

const

Pi = 3.1416;

Var
  Radius : Integer;
  Area_Circle   : Real;

  procedure TForm1.Button1Click(Sender: TObject);
begin
Radius := strtoint(Edit1.text);
Area_Circle   :=  (Pi * Radius * Radius);
Label4.Caption := 'The area of the circle is ' + FormatFloat('0.00',Area_Circle);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Edit1.Text := '';
Label4.Caption := '';
Edit1.Setfocus;
end;

end.