1 янв 1853 г. - 1853: Swedish inventor Per Georg Scheutz

Описание:

Swedish inventor Per Georg Scheutz and his son Edvard design the world's first printing calculator. The machine is significant for being the first to "compute tabular differences and print the results," according to Uta C. Merzbach's book, "Georg Scheutz and the First Printing Calculator" (Smithsonian Institution Press, 1977)

Добавлено на ленту времени:

Дата: