math:pi

Returns an approximation to the mathematical constant π.

pi() ➔ xs:double

There are no arguments
Result		xs:double

Namespace

http://www.w3.org/2005/xpath-functions/math

Links to W3C specifications

XPath 3.0 Functions and Operators

XPath 3.1 Functions and Operators

Notes on the Saxon implementation

Implemented since Saxon 9.3; available whether or not XPath 3.0 is enabled.