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when toggle format what by license comment
Dec 7, 2011 at 22:13 history edited Gerry Myerson CC BY-SA 3.0
fixed typo in title
Dec 7, 2011 at 20:57 vote accept kjetil b halvorsen
Dec 7, 2011 at 19:19 answer added Robert Israel timeline score: 9
Dec 7, 2011 at 19:05 comment added Igor Rivin How many variables do you have?
Dec 7, 2011 at 18:59 history asked kjetil b halvorsen CC BY-SA 3.0