LaTeX math snippets (see LaTeX fragments) can
be displayed in two different ways on HTML pages. The default is
to use the MathJax system
which should work out of the box with Org mode installation
because http://orgmode.org serves MathJax for Org-mode users for small
applications and for testing purposes. If you plan to use this
regularly or on pages with significant page views, you should
install1 MathJax on your own server in order to
limit the load of our server. To configure MathJax, use the variable
org-export-html-mathjax-options or insert something
like the following into the buffer:
#+MATHJAX: align:"left" mathml:t path:"/MathJax/MathJax.js"
See the docstring of the variable
org-export-html-mathjax-options for the meaning of
the parameters in this line.
If you prefer, you can also request that LaTeX fragments are processed into small images that will be inserted into the browser page. Before the availability of MathJax, this was the default method for Org files. This method requires that the dvipng program is available on your system. You can still get this processing with
#+OPTIONS: LaTeX:dvipng
[1] Installation instructions can be found on the MathJax website, see http://www.mathjax.org/resources/docs/?installation.html.