On Fri, Sep 27, 2013 at 6:36 PM, Richard Fateman <fateman at gmail.com> wrote:
> ...
>
> As an example, (z^2)^(1/2) in Mathematica just stays the same.
> I think that is better than what Maxima gives, which is abs(z).
>
This is under user control:
radexpand:false => (z^2)^(1/2)
radexpand:true => abs(z)
radexpand:all => z