xkcd

8961 readers

21 users here now

A community for a webcomic of romance, sarcasm, math, and language.

founded 2 years ago

MODERATORS

143

submitted 6 days ago by [email protected] to c/[email protected]

9 comments fedilink hide all child comments

It works because a nautical mile is based on a degree of latitude, and the Earth (e) is a circle.

you are viewing a single comment's thread
view the rest of the comments

[–] agamemnonymous 7 points 6 days ago (1 children)

Fibonacci numbers are easier than ln(5) to calculate on the spot tho

[–] [email protected] 2 points 6 days ago

You're not wrong. The ln(5) trick is for when you have a scientific calculator but it doesn't have the conversion built in.