Mike, Looks like you installed the initial 901 beta, but have not done the updates.
Please try the following (after making sure the base library is up to date): load'pacman' je_update_jpacman_ '' NB. this will install the latest 901 beta version On Tue, Aug 27, 2019 at 10:29 AM Mike Powell <[email protected]> wrote: > > Try > > > > load'math/calculus' > > +: deriv_jcalculus_ 1 > > > > I have installed J901 beta and start J with jqt.app just fine. I’ve used > the Package Manager to install math/calculus (three times): > > Updating server catalog... > Done. > Installing 1 package of size 6.4 KB > Downloading math/calculus... > Installing math/calculus... > Done. > > Then from the jqt window, I get: > > load'math/calculus' > |spelling error > | ufix =. u. f. > | ^ > | deriv=:2 :0 > |[-28] /applications/j901/addons/math/calculus/calculus.ijs > > Mike > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
