[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'System' (#rtl)

pi

Return the value of PI.

Declaration

Source position: mathh.inc line 89

function pi: ValReal;

Description

Pi returns the value of Pi (3.1415926535897932385).

Errors

None.

See also

Cos

  

Calculate cosine of angle

Sin

  

Calculate sine of angle

Example

Program Example47;

{ Program to demonstrate the Pi function. }

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

Documentation generated on: Nov 14 2015