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apr 26, 1495 - Аль-Каши

Description:

Трактат «Ключ арифметики» описывает шестидесятеричную систему счисления.

Added to timeline:

Арифметика

ByЛилия
9 Dec 2017
0
0
431

Date:

apr 26, 1495
Now
~ 531 years ago
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