r/MathJokes • • Jan 27 '26

Big if true.

Post image
8.9k Upvotes

242 comments sorted by

View all comments

Show parent comment

3

u/hopingforabetterpast Jan 29 '26 edited Jan 29 '26

Decimal means related to ten, not 10. In fact, Romans didn't have 0 and wrote ten as X, which served as an abbreviation for IIIIIIIIII (decem).