Got a Score:5 Comment 2016-10-25
Days Read in a Row 2011-05-27
Posted a Comment 2009-02-20
Member of the 5 Digit UID Club 2009-03-27
Had a Comment Modded Up 2009-03-28
Years Read 2012-11-19
Every nonzero finite dimensional inner product space has an orthonormal basis. It makes sense, when you don't think about it.