On Wed, 2007-04-25 at 09:10 -0300, Martin Marques wrote: > Please, tell me I haven't lost it yet. > > octave:14> -5^4 > ans = -625 > > Since when does an even power of a negative number give a negative > result? You could try (-5)^4 ... -- Gérard Milmeister Langackerstrasse 49 CH-8057 Zürich