Hugo,
> > both should give you the info about this function.
> >
> neither does, I just get the answer "false"
Well, you can browse the documentation on the web:
http://maxima.sourceforge.net/docs/manual/en/maxima_46.html
and then look for "dataplot" on that page.
> > Are you using windows or linux?
> I'm using Debian Sarge Linux and installed version 5.10.0
What does describe(""); display? It should show the entire list of topics.
Let us know what you get for describe(""); and we'll go from there.
best
Robert Dodier