On Sat, 10 Sep 2005 the mental interface of Otavio Salvador told: [...]> > Because I don't have a place to put my data while trying it. > > If I could, I didn't go to ask to someone else do it. My apologies :) As I told already in this thread, I misunderstood your question. Elimar -- Numeric stability is probably not all that important when you're guessing;-)