This is the gallery.
Or it can be at a moment's notice. Just follow a link to somewhere else, close your eyes, and pretend you're still here.
Programmers work mostly in a discrete world of bits, bounded memory, bounded time, function names that are full words with some hint of the function's job. Mathematicians work in a much 'wilder' world, e.g. where infinite quantities are allowed; they tend to favour shorthand, greek symbols, subscripts, superscripts etc.