Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
btilly
on Aug 24, 2012
|
parent
|
context
|
favorite
| on:
John Carmack discusses the art and science of soft...
Actually real Romans did multiplication on an abacus. Reading from Roman numerals to/from an abacus is an incredibly natural operation.
In Europe the disappearance of abacuses was directly tied to the rise of Arabic notation.
Join us for
AI Startup School
this June 16-17 in San Francisco!
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
In Europe the disappearance of abacuses was directly tied to the rise of Arabic notation.