Abbo of Fleury, 122 `Abdall[=a]h ibn al-[H.]asan, 92 `Abdallat[=i]f ibn Y[=u]suf, 93 `Abdalq[=a]dir ibn `Al[=i] al-Sakh[=a]w[=i], 6 Abenragel, 34 Abraham ibn Meir ibn Ezra, _see_ Rabbi ben Ezra Ab[=u] `Al[=i] al-[H.]osein ibn S[=i]n[=a], 74 Ab[=u] 'l-[H.]asan, 93, 100 Ab[=u] 'l-Q[=a]sim, 92 Ab[=u] 'l-[T.]eiyib, 97 Ab[=u] Na[s.]r, 92 Ab[=u] Roshd, 113 Abu Sahl Dunash ibn Tamim, 65, 67 Adelhard of Bath, 5, 55, 97, 119, 123, 126 Adhemar of Chabanois, 111 A[h.]med al-Nasaw[=i], 98 A[h.]med ibn `Abdall[=a]h, 9, 92 A[h.]med ibn Mo[h.]ammed, 94 A[h.]med ibn `Omar, 93 Ak[s.]aras, 32 Alanus ab Insulis, 124 Al-Ba[.g]d[=a]d[=i], 93 Al-Batt[=a]n[=i], 54 Albelda (Albaida) MS., 116 Albert, J., 62 Albert of York, 103 Al-B[=i]r[=u]n[=i], 6, 41, 49, 65, 92, 93 Alcuin, 103 Alexander the Great, 76 Alexander de Villa Dei, 11, 133 Alexandria, 64, 82 Al-Faz[=a]r[=i], 92 Alfred, 103 Algebra, etymology, 5 Algerian numerals, 68 Algorism, 97 Algorismus, 124, 126, 135 Algorismus cifra, 120 Al-[H.]a[s.][s.][=a]r, 65 `Al[=i] ibn Ab[=i] Bekr, 6 `Al[=i] ibn A[h.]med, 93, 98 Al-Kar[=a]b[=i]s[=i], 93 Al-Khow[=a]razm[=i], 4, 9, 10, 92, 97, 98, 125, 126 Al-Kind[=i], 10, 92 Almagest, 54 Al-Ma[.g]reb[=i], 93 Al-Ma[h.]all[=i], 6 Al-M[=a]m[=u]n, 10, 97 Al-Man[s.][=u]r, 96, 97 Al-Mas`[=u]d[=i], 7, 92 Al-Nad[=i]m, 9 Al-Nasaw[=i], 93, 98 Alphabetic numerals, 39, 40, 43 Al-Q[=a]sim, 92 Al-Qass, 94 Al-Sakh[=a]w[=i], 6 Al-[S.]ardaf[=i], 93 Al-Sijz[=i], 94 Al-S[=u]f[=i], 10, 92 Ambrosoli, 118 A[.n]kapalli, 43 Apices, 87, 117, 118 Arabs, 91-98 Arbuthnot, 141 {154} Archimedes, 15, 16 Arcus Pictagore, 122 Arjuna, 15 Arnold, E., 15, 102 Ars memorandi, 141 [=A]ryabha[t.]a, 39, 43, 44 Aryan numerals, 19 Aschbach, 134 Ashmole, 134 A['s]oka, 19, 20, 22, 81 A[s.]-[s.]ifr, 57, 58 Astrological numerals, 150 Atharva-Veda, 48, 49, 55 Augustus, 80 Averroes, 113 Avicenna, 58, 74, 113