For a while we had either to render math outside of the forum or using some kind of ascii art for them.
But this is over now.
We added the offical math plugin to our instance. And yes asciimath is enabled too.
$$ E=mc^2 $$
will be rendered as
The only caveat I have noticed so far that preview seems to act funky if you start directly with math.
Other than that my testing seemed to reveal no problems.
With kind regards,
the nerds from your infrastructure team.