News for hackers. Stuff that matters.

A comment on Ask HN: What is -2^2?.

Re:Ask HN: What is -2^2? by hucker on Friday April 01, 2011 @10:18PM (#2398901)
I've always been taught that (-2)^2 = 4, while -2^2 = -4. This has stayed true all through college calculus, but I can't prove it.
[ Parent | on HN ]

There are no comments on this comment yet.