18 июн 1642 г. - Pascaline was invented.
Описание:
the first calculator or adding machine to be produced in any quantity and actually used. Used metal wheels and spokes to input numbers then it could add or subract them.Добавлено на ленту времени:
Дата:
18 июн 1642 г.
Сейчас
~ 383 г назад