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    Pi

    Return the value of PI.

    Declaration

    Source position: mathh.inc line 119

    function Pi : ValReal;

    Description

    Pi returns the value of Pi (3.1415926535897932385).

    Errors

    None.

    See also

    Name Description
    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.