Hello, The following issue was reported to Sage. Maxima currently simplifies (x^2)^(1/3) to x^(2/3) which is not correct for all values of x. For example, ((-1)^2)^(1/3) correctly gives 1, but (-1)^(2/3) also gives 1 when it should give -1/2+sqrt(3)/2*I . --Mike