Pascal's Calculator (1 янв 1642 г. – 31 дек 1642 г.)
Описание:
Pascal's calculator is also known as the first "true" calculator. This was invented by the French mathematician and inventor, Blaise Pascal. His invention used geared wheels to make the calculations. Each single dial had all the single digits on it. This allowed calculations of more complex problems to be faster.Добавлено на ленту времени:
Дата:
1 янв 1642 г.
31 дек 1642 г.
~ 12 months