This is the mathjax locker. It contains a shared installation of MathJax, an open source JavaScript display engine for mathematics that works in all modern browsers. MathJax is distributed under the Apache license. You may find out more about it at the software's official website: http://www.mathjax.org/ If you'd like to use this shared install without making a full copy of MathJax youself, simply set the "src" parameter in your