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From: akcs.ciarn@hpcvbbs.UUCP (Dan Ciarniello)
Newsgroups: comp.sys.handhelds
Subject: Re: plotting relations
Message-ID: <2767fbae:1419.4comp.sys.handhelds;1@hpcvbbs.UUCP>
Date: 13 Dec 90 22:40:07 GMT
References: <62CA96D8A0002764@gacvx2.gac.edu> <27678177:1419.3comp.sys.handheld
Lines: 8

Try the following:
Instead of giving the plotter an equation to plot, give it a program.
The program should test whether there is a sign change from the current
pixel to the next one.  If there is, put a 1 on the stack alse put a 
0 on the stack.  (note read else for alse in previous line).  The plotter
takes care of the rest.
(The manual gives details on how to use programs for plotting.)
Hope this helps, Dan.