RT @arstechnica: The Babylonians discovered a strange form of trigonometry https://t.co/sjgXOoJQZK by @annaleen 0 atbildes

Miks Latvis
(2017-08-26 19:22:52)
@twitter
RT @arstechnica: The Babylonians discovered a strange form of trigonometry https://t.co/sjgXOoJQZK by @annaleen

© 2009-2017 civciv ;)