41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
9091620
866759
2
Public Timelines
FAQ

mar 20, 1804 - Invention of math symbol ƒ

Added to timeline:

Date:

mar 20, 1804
Now
~ 222 years ago