Quote Originally Posted by KnottedYet View Post
Hexagons and base 12 mathematics and "the new pi" a.k.a. "tau". (Terry Pratchett fans take note)

http://www.hexnet.org/

A glorious romp through new worlds!
What it does to trigonometry is just spine-tingling and will make your toes curl with ecstasy!
My daughter is a HUGE Terry Pratchett fan. Thanks for posting this!