Looking at http://www.jsoftware.com/jwiki/Plot/Function, I figured out I
could plot a 45 degree line with 

      plot _10 10 ; 'y'

and multiplying y by a slope gives other lines.

How do I plot a horizontal line?  I'm trying to draw limit lines on a
graph. 

Finally, I have data I'm plotting as a marker type graph; is it easy to
overlay the limit lines as type lines?  When I issue pd'marker; show'
(assuming I do the data last), it switches everything to markers.

Thanks,

Bill
-- 
Bill Harris                      http://facilitatedsystems.com/weblog/
Facilitated Systems                              Everett, WA 98208 USA
http://facilitatedsystems.com/                  phone: +1 425 337-5541
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