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when toggle format what by license comment
Sep 3, 2017 at 17:57 comment added Serhiy It makes taking derivative simpler.
Sep 1, 2017 at 15:42 comment added mrgloom And why using e instead of arbitary number > 1?
Jun 12, 2016 at 10:33 history edited Serhiy CC BY-SA 3.0
added 16 characters in body
Jan 30, 2016 at 21:43 history answered Serhiy CC BY-SA 3.0