On Wed, 1 Aug 2012, Kent Karlsson wrote: > Not sure why you include "k" here (which has no dot any which way)...
Just a little hint because my question might look too strange. i, j, k with arrow are used in mathematics and physics to denote the vectors (1,0,0) , (0,1,0) and (0,0,1) . Sometimes I see a dot above "i" and "j", sometimes I don't.

