On Wed, Jan 09, 2008 at 08:03:30AM -0600, Barton Willis wrote: > You can do > > (%i8) phi[0](x); > (%o8) x[1]*x[2]^2 > > (%i9) phi[42](x); > (%o9) 43*x[1]*x[2]^2 > > Is this enough? Yes, thanks. That seems OK. Regards, Bart -- "Share what you know. Learn what you don't."