This article is part of the [[XQuery|XQuery Portal]].
In addition to the standard [httphttps://www.w3.org/TR/xpath-functions-3031/ XQuery Functions], BaseX comes with some hundred additional functions, which are packaged in various modules.
The namespaces of the following modules are statically known. This means that they need not be (but may be) declared in the query prolog.
|-
| [[Math Module|Math]]
| Mathematical operations, extending the [httphttps://www.w3.org/TR/xpath-functions-3031/ W3C Working Draft].
| <code>math</code>
| <code><nowiki>http://www.w3.org/2005/xpath-functions/math</nowiki></code>