> > I get the same behaviour with clisp 2.35-2 and cvs-maxima in ubuntu
> > (command line, xmaxima and wxmaxima)
> >
> Hi,
> I also use clisp 2.35-2 and cvs-maxima (5.9.2.19cvs) in Ubuntu, and
> I do not see that problem in either maxima, xmaxima or wxmaxima.
> The question appears just once, and when I answer I get a result.
Yes, I see it now. I misunderstood maxima'a question and I thought it
was asking for the signs of a and b separately. Now that I see the
result given by maxima I understand it was asking for the product a*b.
Jaime is right. clisp + ubuntu work fine.
--
Mario Rodriguez Riotorto
www.biomates.net