« In A sense, Khwarizmi is more entitled to be called « the father of 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. » 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 I https://skitterphoto.com/photographers/571710/bojsen-currie