posts about math, projects, niche interests, etc.
check out my Github, Art of Problem Solving, and Tatoeba accounts, too.
lines and squares and cubes and tesseracts
ein sehr kurzes deutschpost über billardtische
some dubious and potentially inconsistent reciprocal-finding strategies :/
things get weird when finite sets are closed under addition
how many ways can you arrange some dominos on a rectangle, and what does that have to do with fibonacci numbers?