Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

nov 12, 1673 - Stepped Reckoner

Description:

Leibnitz invented it. Never built.
Basic calculator
Basic arithmatic.
A machine tho

Added to timeline:

Computers

ByJulien Martel

30 Nov 2018

0

0

363

Date:

nov 12, 1673

Now

~ 352 years ago

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL