hpasmgx.zip This is a Saturn assembler library for your HP48gx ONLY.
iferr.zip New ERROR TRAPPING by William C Wickes.
jazzv40.zip System RPL and Machine Language Development Library v4.0
qsort.zip quicksort for HP48 gx/sx/g/s
queue.zip Queueing Theory Library Version 1.1
rpl48v20.zip The RPL48 Toolkit provides more than 50 powerful commands to aid system RPL and assembler programming and library development on a HP48.
usag.zip The USAG (usage) application enables you to review the stack argument object type usage for any command built into the HP 48 or any library command.