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oct 7, 1623 - Изобретение «Считающих часов» — первого арифмометра, умевшего выполнять четыре арифметических действия.
Added to timeline:
Информатика " Лента времени"
By
Ирина
3 Dec 2017
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Date:
oct 7, 1623
Now
~ 402 years ago
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