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Area of the Circle Solver in Delphi

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Submitted on: 9/2/2016 2:28:57 PM
By: Jake R. Pomperada  
Level: Beginner
User Rating: Unrated
Compatibility: Delphi 7, Delphi 6, Delphi 5, Delphi 4, Pre Delphi 4
Views: 2054
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     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. Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com. My mobile number here in the Philippines is 09173084360.

 
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!**************************************
! Name: Area of the Circle Solver in Delphi
! Description: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.
Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com.
 
My mobile number here in the Philippines is 09173084360.
! By: Jake R. Pomperada
!**************************************

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.


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