Unit 'System'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]	[#rtl]

Pi

Return the value of PI.

Declaration

Source position: mathh.inc line 122

function Pi: ValReal;

Pi returns the value of Pi (3.1415926535897932385).

None.

Program Example47;

{ Program to demonstrate the Pi function. }

begin
  Writeln (Pi);         {3.1415926}
  Writeln (Sin(Pi));
end.

Cos		Calculate cosine of angle.
Sin		Calculate sine of angle.