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Extra resources for A History Of Mathematical Notations Volume 1: Notations In Elementary Mathematics
53, n. 181. Part I, 1, p. p. 513. 421; see also Encyc. des OLD NUMERAL SYMBOLS 29 probably the older form. Sexagesimal fractions were used during the whole of the Middle Ages in India, and in Arabic and Christian countries. One encounters them again in the sixteenth and seventeenth Not only sexagesimal fractions, but also the sexagesimal centuries. notation of integers, are explained universalis (Oxford, 1657), page 68, Briiannica (London, 1652, 1669), by John Wallis in his Maihesis and by V. Wing in his Astronomia Book I.
Und Altertumskunde, Vol. XXXVIII (1900), p. 136, 138, and (1902), p. 6S-66. 2 Our account is taken from Moritz Cantor, Vorlesungen fiber Geschichte der Mathematik, Vol. I (3d ed. Leipzig, 1907), p. 123, 124; Mathematische Beitrage zum KuUurleben der Volker (Halle, 1863), p. 255, 256, and Figs. 48 and 49. ; OLD NUMERAL SYMBOLS als is 7 for 5. 19 Beginning with 100 the Palmyra numerals contain new forms. Placing a I to the right of the sign for 10 (see Fig. 9) signifies mean by 10, giving 100. Two vertical strokes multiplication of 10 1 10X20, or 200; three of them, 1 10X30, or 300.
M respectively. 51. , one for 83,000, 92,000, 110,000, number was above indicated in some Thus, Aelius Lam- it. ) says in one place, "CXX, equitum Persain bello interemimus," where the numbers et mox X rum fudimus: designate 120,000 and 10,000. , |X|CLXXXDC stood for In more recent practice the strokes sometimes occur only 1,180,600. DC XC the date on the title-page of Sigiion the sides, as in sides indicated | X . | . , enza's Libra astronomicaj published in the city of In antiquity, to prevent fraudulent alterations, Mexico in 1690.