The Hindu-Arabic Numerals c10.14

Language: English

c10.14

⁴ Possibly late tenth, since he refers to one arithmetical work which is entitled *Book of the Cyphers* in his *Chronology*, English ed., p. 132. Suter, *Die Mathematiker etc.*, pp. 98–100, does not mention this work; see the *Nachträge und Berichtigungen*, pp. 170–172.

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