33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
3715787
339994
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Criar
Create a timeline
Public timelines
Library
FAQ

1 jan 2400 ano antes da era comum - 2400 - Invention of abacus

Descrição:

'Twas the first "computer",
This was the first time that people had used machines to help them with mental work,
Laid foundations for first analog computers

Adicionado na linha do tempo:

History of Computers

ByFin
31 jan 2020
2
0
664

Data:

1 jan 2400 ano antes da era comum
Agora
~ 4428 years ago
About & FeedbackAcordoPrivacidadeBibliotecaFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL