The Museum of HP Calculators displays and describes older Hewlett-Packard calculators. There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.

The largest, best source on the Internet for software for and information about Hewlett Packard's HP49G, HP48, HP38G, and HP28 graphic calculators.

HANDHELD AND PORTABLE COMPUTER CLUB Formerly PPC (UK) HPCC is a voluntary, independent body run by and for users of handheld and portable computers and calculators. While most members' main interest is in the Hewlett Packard range of models, the club is happy to discuss other models too, at meetings, through the club journal, and on these web pages. The club has been helping members for 19 years ...

Information about the #HP48 IRC Channel on EFNet ...