sir2you wrote:Today I confused myself because I thought I broke math. I was looking at (-1)^(2/3). If -1 is squared then cube rooted it outputs 1... If I cube root it then square it I get an imaginary number. Apparently there are rules for this sort of thing that I didn't know about. I've made it to calc 4 without realizing this. >.<
are you sure? the second method isn't how you do it, but it doesn't end up imaginary. cube root of -1 is -1, that is (-1 x -1 x -1 = -1). Then all do is square -1, which gives you 1.
Keep in mind I'm no expert, and could be easily wrong here.
Edit:ok, as I said, no expert. Turns out that (-1)^(2/3) is rather different than -1^2/3. I was doing something quite different.