The Hindu-Arabic Numerals c9.55
The Hindu-Arabic Numerals c9.55
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c9.55
He was looked upon by his contemporaries and immediate successors as a master, for Cassiodorus⁴ (*c.* 490–*c.* 585 a.d.) says to him: "Through your translations the music of Pythagoras and the astronomy of Ptolemy are read by those of Italy, and the arithmetic of Nicomachus and the geometry of Euclid are known to those of the West."⁵ Founder of the medieval scholasticism,