>Using PEMDAS:
>
>-2^2 = 0-2^2 = 0-(2^2) = 0 - (4) = -4

Using PEDMAS

-2^2 = (0-2) * (0-2) = -2 * -2 = 4

To sit there and say

+2^2

should be done differently than

-2^2

is just beyond comprehension.