33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
132811
11698
2
Public Timelines
FAQ

jan 6, 1690 - In 1690 Leibnitz developed a machine that could add, subtract, multiply, divide, and calculate square roots. Programming was done by using gears. http://library.thinkquest.org/11309/data/history.htm

Added to timeline:

Date:

jan 6, 1690
Now
~ 336 years ago