Am 10 Nov 2007 um 10:00 hat Barton Willis geschrieben: > The Lisp error is a bug: > > (%i24) block([],return(%pi,7)); > Maxima encountered a Lisp error: > Barton, would you prefer merror ? (%i9) block([],return(%pi,7)); return takes just one argument. -- an error. To debug this try debugmode(true); (%i10) Volker