Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
tempestn
6 months ago
|
parent
|
context
|
favorite
| on:
On clock faces, 4 is Expressed as IIII, not IV
One cool thing about the purely additive notation is that you can then add numbers together by just gathering up all their characters, sorting largest to smallest, and combining any groups of 5 or more.
tempestn
6 months ago
[–]
Or in one step, by combining them from smallest to largest, combining and carrying as you go.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: