A simple way to test canvas plot on jconsole would be defining the noun IFTESTJHS prior to loading plot package, eg,
IFTESTJHS_z_=: 1 load 'plot numeric trig' plotdef 'none';600 300 NB. (show,link,none) all ignored in non-JHS plot (sin;cos) steps _1 2 100 -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm