29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1860898
150835
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
nov 20, 1674 - Stepped Reckoner
Description:
Gottfried Wilhelm Leibniz creates mechanical calculator that can add, subtract, multiply, & divide.
Added to timeline:
10 Oct 2018
0
0
266
Calculator TIme
Date:
nov 20, 1674
Now
~ 349 years ago