Ed Pegg, Jr has started updating mathpuzzle.com/ again! Hooray!

@christianp Wow, what a wealth of new and colorful things! This really brightens an otherwise dark morning.

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.