webgoatguy

the art gallery problem

utter ridiculousness from Ramanujan

circles are the WORST POSSIBLE SHAPE for venn diagrams

can tic-tac-toe, with hexagons?

Would hexagonal city blocks be better?

Can You Build a Pentagon Out of Pentagons?

i'm never staying at hilbert's hotel ever again

i know it's not a coincidence, i just can't prove it...

guess the function! (minigame concept)

what percentage of quadrilaterals are concave?