The Hindu-Arabic Numerals c5.52
The Hindu-Arabic Numerals c5.52
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c5.52
⁴ "Ubi ex mirabili magisterio in arte per novem figuras indorum introductus" etc. In another place, as a heading to a separate division, he writes, "De cognitione novem figurarum yndorum" etc. "Novem figure indorum he sunt 9 8 7 6 5 4 3 2 1."