The Hindu-Arabic Numerals c11.109

c11.109

² Weissenborn uses *sipos* for 0. It is not given by Bernelinus, and appears in Radulph of Laon, in the twelfth century. See Günther's *Geschichte*, p. 98, n.; Weissenborn, p. 11; Pihan, *Exposé* etc., pp. xvi–xxii. In Friedlein's *Boetius*, p. 396, the plate shows that all of the six important manuscripts from which the illustrations are taken contain the symbol, while four out of five which give the words use the word *sipos* for 0. The names appear in a twelfth-century anonymous manuscript in the Vatican, in a passage beginning