newbie question - mutiple scales

Is it possible to produce plots with more than one axis scale in the
same direction?  That is, if you have two or more RealTypes mapped to
the same domain, is it possible to plot them in the same visualization
space?  If so, how?

-- 
John Brecht
SRI International
Center for Technology in Learning
333 Ravenswood Avenue
Menlo Park, CA  94025
650-859-2325 (voice)
650-859-3673 (fax)
john.brecht@xxxxxxx