MathJax is a JavaScript engine for displaying mathematics, available on some Stack Exchange sites.

MathJax is a JavaScript library that is used to display mathematical equations on the Stack Exchange sites where it is activated.

Questions about MathJax itself are off-topic here. If you're making a website and have trouble with MathJax, try Stack Overflow. If you have trouble with MathJax rendering in your web browser, try Super User.

MathJax is only activated on sites where it is common to need mathematical equations, including:

Tutorials

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