1 янв 1625 г. - Slide Ruler
Описание:
Invented by William Oughtred and used to make calculations.[1] Kuhman, Harry J. "Slide Rule ." Mathematics. . Encyclopedia.com. 1 Mar. 2021 <https://www.encyclopedia.com>.
[2]Image from Wikipedia: https://en.wikipedia.org/wiki/Slide_rule
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Дата:
1 янв 1625 г.
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~ 401 г назад