Uploaded August 2022 | Updated September 2026, 3 weeks ago

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This video demonstrates how to enable and test System RPL / SysRPL / Sys RPL on the HP 50G calculator.

References and downloads:

extable library: hpcalc.org/details/3245

MASD documentation: hpcalc.org/details/2986

Programming in System RPL: hpcalc.org/details/5142

Sample programs from the above book: hpcalc.org/details/5144

HP 50g/49g+/48gII Advanced User's Reference Manual: literature.hpcalc.org/official/hp50g-aur-en.pdf

Video providing more details of the program commands used in the example Sys RPL program (on the HP 48GX): youtu.be/pwpscVmM310

--- Contents ---
0:00 Intro
0:58 Libraries required
1:46 Loading and attaching the libraries
3:11 System flags and configuration
4:02 Sample Sys RPL program and formatting details
5:09 Program compilation
5:57 Sys RPL Stack feature
6:25 Saving and executing the sample program
7:08 Conclusion

The calculator in the video is running the latest HP firmware, version 2.15.

As SysRPL and machine code provide lower level access to the calculator and error checking must be performed by the programmer, incorrect use may result in lockups and/or memory corruption. Ensure you have backed up your calculator before configuring and using.