The site now has the WP QuickLaTeX plugin installed. This lets us use much of the functionality of in posts and pages and is activated by including the tag '[latexpage]' somewhere in the post/page. Equations can be shown inline (e.g. ) or in display mode as with eqn 1:
It will also let you add advanced contect like tikz or pgfplot figures. Rendering is done by the QuickLaTeX.com server.