I'm been trying this kind of thing, since org-export-html-mathjax-options doesnt have anything to configure.
I don't think this looks very right though. #+LATEX_HEADER: \usepackage{amsmath} #+MATHJAX: align:"left" mathml:t path:"C:\Users\JohnT\Desktop\mj\MathJax.js" #+BEGIN_HTML <script type="text/javascript" src="C:\Users\JohnT\Desktop\mj\MathJax.js?config=TeX-AMS-MML_SVG-full,"C:\Users\JohnT\Desktop\mj\config\TeX-AMS-MML_SVG-full.js"> </script> <script type="text/javascript" MathJax.Ajax.loadComplete("C:\Users\JohnT\Desktop\mj\config\TeX-AMS-MML_SVG-full.js"); </script> #+END_HTML #+TEX $$\begin{matrix} a & b & c \\ d & e & f \\ g & h & i \end{matrix}$$ #+END_TEX