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Dear friends,

I´m an old HP calculator user (since 1972) but novice on RPL language. The HP manuals do not explain every function and don't have a good index containing all them.

Do anyone know somewhere I could download explanation for all functions?

Thanks a lot!



the Advanced Users Guide can be found here:



Dear Marcus,

Thank you very much!



A great introduction to RPL is given in the book "An Easy Course in Using & Programming the HP48GX" which got me started in programming:


A description of the 49 CAS commands are detailed here:


Thank you all!



I don't know if they are cheap or easily available anymore, but the 48G series manual and advanced users' guide was pretty good at presenting RPL. Even I learned how to use it. I'm not a programmer or systems guy or engineer.

I think www.calcpro.com might still have them.

Eric Rechlin, webmaster of the program archive at www.hpcalc.org, has copies of the 48 manual. I don't know offhand where to find an AUR, I guard mine like gold. Supplemental books, which often have lots of programs, are the best way to learn to program. Change the code of a program you like, play with it, have it crash, correct it, and you're on your way.

I found Bill Wickes's "Insights" series particularly valuable. Scanned PDFs of them are available on the Museum DVD/CD set. To be sure, they're written for earlier models, but still very helpful.

The newsgroup comp.sys.hp48 is very helpful with any RPL questions; these days, most discussions are about the 49 series.

Useful links include: http://www.hpcalc.org/, http://www.engr.uvic.ca/~aschoorl/, http://page.mi.fu-berlin.de/~raut/, and http://m.webring.com/hub?ring=hp48.


Edited: 27 Oct 2005, 2:35 a.m.

You know, if it is totally unavailable new... even used, then it's a safe guess the AUR is completely out of print. While HP might still own the copyrights pertaining to it, it may be allowable to make an online version available, say here, or even on HP's calculator site.