math:log10

Returns the base-10 logarithm of $arg

log10($arg as xs:double?) ➔ xs:double?

Arguments
	$arg	xs:double?	The input number
Result		xs:double?

Details

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

Applies to: XPath 3.0, XSLT 3.0, XQuery 3.0 (if enabled in Saxon: requires Saxon-PE or Saxon-EE)

Notes on the Saxon implementation

Implemented since Saxon 9.4. Available whether or not XPath 3.0 is enabled.