Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
protomyth
on March 4, 2014
|
parent
|
context
|
favorite
| on:
Algebraic and calculus concepts may be better way ...
DragonBox on iOS is pretty good at teaching algebra.
http://dragonboxapp.com
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
