Happy Birthday to M.C. Escher!
@hayden OOOH IT IS!! :D
okay, acceptable celebratory activities include partying in locally curved spacetime and playing 'tessellate the noneuclidean space' :>
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
Use \( and \) for inline LaTeX, and \[ and \] for display mode.