Daniel Carrera <dcarrera / math.umd.edu> wrote:
> Hello,
> 
> There seems to be a problem in Complex.  It gets (-i)^2/3 wrong.
> 
> 2/3
> i    =  1/2 + sqrt(3)/2
> 
>   2/3
> (-i) = - 1

-i = exp(-i * pi/2)
(-i)^(2/3) = (1)^2/3 * exp(-i * pi/2 * 2/3)
           = exp(-i * pi/3)
	   = cos(pi/3) - i sin(pi/3)
	   = 1/2 - sqrt(3)/2

martin