The Hindu-Arabic Numerals c11.96
The Hindu-Arabic Numerals c11.96
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c11.96
³ It is entitled *Constantino suo Gerbertus scolasticus*, because it was addressed to Constantine, a monk of the Abbey of Fleury. The text of the letter to Constantine, preceding the treatise on the Abacus, is given in the *Comptes rendus*, Vol. XVI (1843), p. 295. This book seems to have been written c. 980 A.D. [Bubnov, loc. cit., p. 6.]