HN Explorer
↵
Trending
Stats
☾
The Rule of 72
(en.wikipedia.org)
2 points
by
haakonhr
3y ago
↗ HN
1 comment
[
2.5 ms
]
story
[
13.9 ms
]
thread
[–]
haakonhr
3y ago
↗
How would one come up with such a rule in 1494 before logarithms were a thing?
1 comment
[ 2.5 ms ] story [ 13.9 ms ] thread