This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories.
<math>tag, due to syntax errors in the equations. Pages should not be added manually.
See also Category:Articles with math render errors for articles with temporary error in the mathematics rendering process, and also Category:Pages that use a deprecated format of the math tags, Category:Pages that use a deprecated format of the chem tags for deprecated tags.
The categorization of pages by namespace is controlled by MediaWiki:Math-tracking-category-error.