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when toggle format what by license comment
S May 1, 2016 at 6:08 history suggested user642796 CC BY-SA 3.0
removed some idiosyncratic formatting; some MathJax improvements; author's name has no need to be in the answer itself
May 1, 2016 at 4:31 review Suggested edits
S May 1, 2016 at 6:08
May 1, 2016 at 0:02 history edited Włodzimierz Holsztyński CC BY-SA 3.0
a nasty typo
Apr 30, 2016 at 20:46 history edited Włodzimierz Holsztyński CC BY-SA 3.0
Clear readable format
Oct 10, 2010 at 7:39 history answered Rachid Atmai CC BY-SA 2.5