CMtx 49 cmtx49v293.zip   (176KB)    CMtx49 v2	This Library helps you make operations over rows and columns in arrays. It could be useful in a lot of tasks; I found it very useful in the laboratory. v2.93 Bug fixed, a very stupid one Does anybody use it?
Scatter 49 Scatter49v3.zip (74KB) Scatter49 v3	This library helps you plot series of data with different mark styles.
XUnits 49 xunit49v1.zip (25KB) XUnits49 v1	This library allow you to do custom units conversions.
GoferSys 49 gl01sys.zip	This is a conversion I made to SysRPL of the GoferLists Library done by Jarno Peschier. Quoting his documentation "This is a library for the HP48GX calculator that contains UserRPL versions of some of the functions that work on lists I took them from the standard .prelude of the functional programming language Gofer".
DigSimul DigSim49v4.zip (62KB) Digital Simulator 49 v4	This is a digital circuit simulator. It simulates graphically a gates circuit. It comes from an 48sx program. It's done in SysRPL
Fields 49 Beta Fields08.zip (2KB) Fields08.txt	Are you looking for any thing that gives you the gradient in cylindrical coordinates? This is for you. It does it in cylindrical and spherical (apart of rectangular). And does the gradient, divergence and so on.
LastCommands49  v 0.3 beta lstcmd4903.zip  (2KB) lstCmd49.txt lstcmd4903.s.txt	This is a SysRPL version of the program of John H. Meyers which allows to save more than four last command. My one is done for fifty. This is done as learning project.

Emacs by Carsten Dominik and Peter Geelhoed	This library converts the 49 editor in the better one of the history. You will love its auto completion capabilities whether you are programming or working with the 49.
Keyman by Wolfgang Rautenberg	This library allows you to customize your 49 keyboard to a level not seen before.
Nosy by Jurjen N.E. Bos	This is for those ones that really one to hack the 49. It the better environment I've saw for that on the 48/49
OT49 by Wolfgang Rautenberg	This library have a very good set of tools for the daily work.
RDOC by D.Martinez (NovaHP)	This library gives you a systems of documentation with all the documentation for userRPL, SysRPL and internal in your 49!
Ayuda by Ruben de la Rosa Steinz	This is a wonderful command help system for the 49. But it's in Spanish. Hopefully someone could work with Ruben for translate it because is the more up to date reference I've seen.
ChooseExt by Wolfgang Rautenberg	This is a very good UsrRpl extension with the 49 browser.
XMenu49 by Thomas Rast	This is the final menu extension you ever use. It takes the current menu and shows it in full page. (Hey Oldies! Did you remember 48's XMenu?)
Filer2 by Wolfgang Rautenberg	This modification of the Filer is a lot more confortable and provides new options (quoting and so).

Mathematics

SymbToolz by Steen S. Schmidt	This library extends the capabilities of the 49's solvers. Now it's a bit old and superseded by the two below.  But if you got newer ROM revision you must wait for the next update of the library :(
Polynomial by Steen S. Schmidt	This library gives you commands for doing symbolic polynomial operations and solving.
Matrix49 by Steen S. Schmidt	It's very interesting library for matrix operations
Numeric49 by Steen S. Schmidt	These are a set of solvers to extend the 49 ones.
HLDraw by J.N.E. Bos	This is the better 3d plotter for the 49, really for the 4X series
SolveSys 49 by Sune Bredahl	This is a numeric solver with a long history in the 48 world. Now comes for the 49 with a new interface.
GraphWriter by Albert Graef	This is the first Graph view I've ever seen on any calc. Of course you should be ready with graph theory to explore it ;)

Applications

Organizer by Jack Levy. Ported by Alain Robillard	This is the best organizer for the 48/49.
Scribe by Jack Levy. Ported by Alain Robillard	This is the best Database for the 48/49.
Bode-Routh and Neopolys by Apolonio Francisco González Herrero	A wonderful library for those ones that work on Control Systems.

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