Doug Cannon's HP48 Page - HP48 calculator programs, programming tips, source code, and other information.How To Open Your HP48 - Illustrated instructions about how to open your HP48. Instructions by David Fenyes. Plus additional information.
hpcalc.org - Premier website for program that run on the HP48, HP38 and HP28 series of calculators Formerly known as hp48.ml.org
Andr Schoorl's - HP48 calculator programs. The interests here are programs and related items for system RPL and assembly language programming as well as symbolic math.
HP48 Frequently Asked Questions - Miscellaneous questions list.
Meta-Kernel - The Meta Kernel is a kernel which enhances and accelerates many HP48 GX functions.
ALG48 Library Page - Libraries on this site: ALG48, RSIM, and AIO48.
HP Calculators The 49G - Information about the Hewlett-Packard HP 49G RPN Graphing calculator including bid specifications and scientific calculator comparison.
Frequently Asked Questions About the HP49 - Information about the HP49G, HP's latest calculator still in development.
