Talk:Sharaf al-Dīn al-Ṭūsī

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Derivatives of cubic polynomials[edit]

I have removed the first sentence of the section Treatise on equations because it misrepresents the source cited. More details can be found on the Mathematics in medieval Islam talk page. An accurate account, written form a neutral point of view, of the various conjectures about how al-Din acquired his knowledge of the maxima of cubic polynomials should eventually be added to the article.
David Wilson (talk · cont) 14:00, 19 March 2011 (UTC)

COPYVIOs[edit]

I removed, piecewise, several WP:COPYVIOs from this article (from [1]) before deciding that it was pretty well all made of that stuff. So I took it all out.

Besides which, the polynomial / derivative stuff was wrong, per what is now in Mathematics in medieval Islam and the discussion there William M. Connolley (talk) 07:49, 27 April 2011 (UTC)