This is a test of LaTeX on the site*.
The first equation I shall try is the following (for more on unpacking this equation and its meaning, see this post and links therein):
Yay! It works. I have implemented it in the comments too. So now we can have a new, sharper tool for our discussions and arguments.
Use: Type simple LaTeX commands enclosed between [ tex ] and [ / tex] (remove the spaces between the things in the square brackets) and it should work once you submit.
(*I got around the problems of not being able to have LaTeX running on my host. Hurrah! The compromise I used means that the LaTeX is not as nicely formed as it could be, but it’s good enough! Learn more about latexrender and mimetex here.)