"In the mean time, Diophantus... was made publick; whose method differs much from that of the Arabs (whom those others followed, ) and particularly in the order of denominating the Powers; as taking no notice of Sursolids, but using only the names of Square and Cube, with the Compounds of these. And hitherto no other than the unknown Quantities were wont to be denoted in Algebra by particular Notes or Symbols; but, the known Quantities, by the ordinary Numeral Figures."