Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!decwrl!deccrl!news.crl.dec.com!shlump.nac.dec.com!jareth.enet.dec.com!edp From: edp@jareth.enet.dec.com (Always mount a scratch monkey.) Newsgroups: comp.sys.handhelds Subject: Re: Symbolic Derivatives (48-SX) Message-ID: <20149@shlump.nac.dec.com> Date: 13 Feb 91 02:44:51 GMT Sender: newsdaemon@shlump.nac.dec.com Organization: Digital Equipment Corporation Lines: 14 In article <1991Feb11.221409.644@ecl.psu.edu>, jmr@ecl.psu.edu writes... >Anyone out there know how to force the 48sx to return a symbolic derivative? >What I want to do is take the derivative of an algebraic with respect to >'X' (for example), however, 'X' is defined in the current subdirectory >with a numeric value. PATH -> p << HOME d p EVAL >>, where "d" is the derivative operator. You'll need to keep the troublesome variables out of your home directory for this to work. -- edp (Eric Postpischil) "Always mount a scratch monkey." edp@jareth.enet.dec.com