schnurrito@discuss.tchncs.de to xkcd@lemmy.worldEnglish · 1 month agoxkcd #3023: The Maritime Approximationxkcd.comexternal-linkmessage-square9fedilinkarrow-up1148arrow-down12file-text
arrow-up1146arrow-down1external-linkxkcd #3023: The Maritime Approximationxkcd.comschnurrito@discuss.tchncs.de to xkcd@lemmy.worldEnglish · 1 month agomessage-square9fedilinkfile-text
It works because a nautical mile is based on a degree of latitude, and the Earth (e) is a circle. https://explainxkcd.com/3023/
minus-squareagamemnonymouslinkfedilinkEnglisharrow-up7·1 month agoFibonacci numbers are easier than ln(5) to calculate on the spot tho
minus-squarepalordrolap@fedia.iolinkfedilinkarrow-up2·1 month agoYou’re not wrong. The ln(5) trick is for when you have a scientific calculator but it doesn’t have the conversion built in.
Fibonacci numbers are easier than ln(5) to calculate on the spot tho
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.