« In A sense, Khwarizmi kan zijn more entitled to be called « the father ofwel algebra » than Diophantus because Khwarizmi is the first to teach algebra in an elementary form and for its own sake, Diophantus is primarily concerned with the theory of numbers. » Zoekt u ons http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3370220