Re: Re: Re: What to do in v. 6 in place of Miscellaneous`RealOnly

*To*: mathgroup at smc.vnet.net*Subject*: [mg76868] Re: [mg76772] Re: [mg76731] Re: What to do in v. 6 in place of Miscellaneous`RealOnly*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Tue, 29 May 2007 04:52:41 -0400 (EDT)*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst*References*: <f33ork$l7l$1@smc.vnet.net> <f36go3$9rf$1@smc.vnet.net> <200705260842.EAA18740@smc.vnet.net> <200705270852.EAA03263@smc.vnet.net> <6063CBD7-7FB9-4719-90F7-DE917481A78E@earthlink.net>*Reply-to*: murray at math.umass.edu

Will such an Import handle correctly contexts from an "ordinary" package? (The web server I use for most things is out of service at the moment, so I cannot test that.) Selwyn Hollis wrote: > Apparently, it's now possible to load a package from a remote location > on the web. > > I put a simple init.m file that defines a function HexToDecimal at this > url: > > http://www.math.armstrong.edu/faculty/hollis/init.m > > Entering this quietly loads it: > > Import["http://www.math.armstrong.edu/faculty/hollis/init.m";] > > For verification, enter this: > > ?HexToDecimal > > Stunning. > > > - Selwyn > > > On May 27, 2007, at 4:52 AM, Murray Eisenberg wrote: > >> You've stumbled upon a long-standing problem I've faced with using >> Mathematica in an academic setting (or perhaps any setting) where >> systems are locked down by the folks whom maintain the systems: how to >> handle 3rd-party add-on packages. >> >> In my own experience, getting the packages installed on the students' >> own machines is not that big a deal provided the zip file (or whatever) >> is properly assembled and the instructions are sufficiently clear and >> the students are able to follow direction. (Hmm...the last IS a bit of >> a problem: if only students read directions as carefully as I wrote >> them!) >> >> The real problem resides with lab & classroom computers. Given >> sufficient advance notice, of course, such packages can be incorporated >> into the standard software on the systems. (At my own institution, any >> package needed for the September semester needs to be in the hands of >> the IT folks no later than July 1, and preferably earlier; for the >> Spring semester, no later than Thanksgiving. This is a real pain.) >> >> I don't have a good solution to this. Perhaps somebody at Wolfram >> Research will look into it. >> >> Helen Read wrote: >>> dimitris wrote: >>>> Hi Helen. >>>> >>>> I don't have version 6 but in case you don't know >>>> there is a much more flexible package named >>>> SwitchableRealOnly by Ted Ersek available at >>>> >>>> http://library.wolfram.com/infocenter/MathSource/560/ >>> >>> I'll have a look at that, but I'm not keen on using a package that the >>> students would have to download and install themselves. (They use >>> Mathematica on their own laptops and in computer labs all over campus, >>> not just the classrooms maintained by the math department.) >> >> -- >> Murray Eisenberg murray at math.umass.edu >> Mathematics & Statistics Dept. >> Lederle Graduate Research Tower phone 413 549-1020 (H) >> University of Massachusetts 413 545-2859 (W) >> 710 North Pleasant Street fax 413 545-1801 >> Amherst, MA 01003-9305 >> > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305

**References**:**Re: What to do in v. 6 in place of Miscellaneous`RealOnly***From:*Helen Read <read@math.uvm.edu>

**Re: Re: What to do in v. 6 in place of Miscellaneous`RealOnly***From:*Murray Eisenberg <murray@math.umass.edu>