Mathematics desk | ||
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< February 11 | << Jan | February | Mar >> | February 13 > |
Welcome to the Wikipedia Mathematics Reference Desk Archives |
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The page you are currently viewing is an archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
Who invented it and when?? And where did they get the idea from??-- 178.110.105.135 ( talk) 01:13, 12 February 2016 (UTC)
Mathematics desk | ||
---|---|---|
< February 11 | << Jan | February | Mar >> | February 13 > |
Welcome to the Wikipedia Mathematics Reference Desk Archives |
---|
The page you are currently viewing is an archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
Who invented it and when?? And where did they get the idea from??-- 178.110.105.135 ( talk) 01:13, 12 February 2016 (UTC)