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when toggle format what by license comment
Jun 25, 2013 at 3:02 review Late answers
Jun 25, 2013 at 10:36
Aug 20, 2010 at 20:46 comment added Federico Poloni I love the "Einstein meets Pythagoras" version: $E=m(a^2+b^2)$
Apr 25, 2010 at 18:22 comment added Sunni Perhaps because is a formula from physics.
Jan 15, 2010 at 18:24 history answered Luc M CC BY-SA 2.5