Returns the base-10 logarithm of
log10($arg as xs:double?) ➔ xs:double?
The input number
Links to W3C specifications
XPath 3.1 Functions and Operators
Available in XPath 3.0, XSLT 3.0, XQuery 3.0, and later versions. From Saxon 9.6, available in all editions.
Notes on the Saxon implementation
Implemented since Saxon 9.4; available whether or not XPath 3.0 is enabled.