exslt-math:sqrt

Returns the non-negative square root of the argument.

sqrt($arg as xs:double) ➔ xs:double

Arguments
	$arg	xs:double
Result		xs:double

Namespace

http://exslt.org/math

Links to specifications

EXSLT Math Module

Notes on the Saxon implementation

Saxon also implements the function math:sqrt() in namespace http://www.w3.org/2005/xpath-functions/math.