MathJax Documentation

MathJax is an open-source JavaScript display engine for LaTeX, MathML,and AsciiMath notation that works in all modern browsers, withbuilt-in support for assistive technology like screen readers,including automatic speech generation and an expression explorer thatcan be used to investigate typeset mathematics on a more granual levelthan the complete expression.

Version 4.0 of MathJax adds significant new features to MathJax,including support for selecting one of a number of different fonts touse for mathematical typesetting, for in-line and displayed equationline breaking, and for HTML within MathML and LaTeX expressions. SeetheWhat’s New in MathJax section for more details. MathJax wasrewritten from the ground up in v3.0, and the usage and configurationin v4 (and v3) is significantly different from that of MathJax v2.Use the menu at the bottom of the screen to access the version 2documentation if you need it.

MathJax, Inc., is a non-profit organization, registered with the IRSas a public charity under section 501(c)(3), with EIN 88-1669159, andincorporated in West Virginia. Any contributions of support you maketo MathJax, Inc., are tax deductible.

This version of the documentation was built Nov 11, 2025.