1 janv. 2400 av. J.-C. - Abacus Invented
Description:
1. As far as we know, this was the first calculating device ever.
2. Predating Pascal by a few millenia, it shows that even early civilizations were inventing tools to help them do their accounting.
3. Still used today, though they're becoming increasingly obsolete with pocket calculators becoming more accessible
Ajouté au bande de temps:
Date:
1 janv. 2400 av. J.-C.
Maintenaint
~ Il y a 4427 ans