Current version

This is the accepted version.
added by smyru Jan. 12, 2017, 9:02 p.m.
reach: rather globalancient historyhistorymathematicsnumberstechnology

Votes

+2 Very interesting!  globalquiz.org
+1 Very interesting!  Vijay
+1 Very interesting!  Anne Schoot
+1 Very interesting!  Madman