The Hindu-Arabic Numerals c9.13

c9.13

² See his *Grammaire arabe*, Vol. I, Paris, 1810, plate VIII; Gerhardt, *Études*, pp. 9–11, and *Entstehung* etc., p. 8; I. F. Weidler, *Spicilegium observationum ad historiam notarum numeralium pertinentium*, Wittenberg, 1755, speaks of the "figura cifrarum Saracenicarum" as being different from that of the "characterum Boethianorum," which are similar to the "vulgar" or common numerals; see also Humboldt, loc. cit.