HP Calculators
Emu48 Update Page - Updates for the HP 38G/39G/49G/48S/48G/49G emulator for Win32 (160 visits)
http://privat.swol.de/ChristophGiesselink/emu48.htm
Free42 - A Free HP-42S Calculator Clone for PalmOS, Linux and Windows (168 visits)
http://home.planet.nl/~demun000/thomas_projects/free42/
hpcalc.org - "the premier source of software for and information about the HP49, HP48, and HP28 RPN programmable graphic calculators and the HP38G, HP39G, and HP40G programmable graphic calculators" (190 visits)
http://www.hpcalc.org/
HPTalx - an HP Calculator<->PC communications program for Linux (157 visits)
http://hptalx.sourceforge.net/
Klotz electronic - RAM cards for HP48 SX/GX calculators (155 visits)
http://www.uuhome.de/oklotz/index_e.html
Nonpareil: Calculator Microassembler and Simulator - Nonpareil is a microassembler and simulator package for the calculators. It currently supports the HP Classic and Woodstock series. It is written in C and uses the GTK+ toolkit. (135 visits)
http://nonpareil.brouhaha.com/
The Museum of HP Calculators - The Museum of HP Calculators displays and describes Hewlett-Packard calculators introduced from 1968 to 1986 plus a few interesting later models. 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. (107 visits)
http://www.hpmuseum.org/
x48 - HP48 calculator emulator for X (191 visits)
http://developer.berlios.de/projects/x48/