On Tue, 05 Jun 2001 13:38:52 -0500, assembly-83@lists.ticalc.org wrote: >Only problem is you might miss holes on graphs! > > I tried it with several functions...one being y=x/x and y=1. It worked for that one (they weren't equal at x=0). I think it should be accurate enough for what I need it for :-). caffeine43@netzero.net on 06/05/2001