> Maxima is happy to let you create different objects
> with the same name, but then it doesn't handle them
> consistently. This is a bug. At this point the only advice
> is just to avoid creating things with the same name
> (although it can happen inadvertently all the same, e.g.
> when a function argument coincides with the name of
> a declared array).
Thanks to all for the replies. I have a clearer idea, at this point I
will use different names for differents types, even if sometimes is
uncomfortable...
Stefano