FYI. the top of the page number 4 ...addition an subtraction... you are missing ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

bockris on Jan 2, 2013 | parent | context | favorite | on: No bullshit guide to math and physics

FYI. the top of the page number 4 ...addition an subtraction... you are missing a 'd'

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact