| <code>math</code>
| <code><nowiki>http://www.w3.org/2005/xpath-functions/math</nowiki></code>
|-
| [[Utility Functions|Util]]
| Utility functions, used for data conversions, profiling and dynamic evaluation.
| <code>eval</code>
| <code><nowiki>http://basex.org/util</nowiki></code>
|-
| [[XSLT Functions|XSLT]]