Emulation
This page lists the latest and most popular HP-41 Emulator versions by platform:

Windows V41 - Release Notes - Source Code by Warren Furlow SIM41W by Alvaro Gerardo Suárez VB41CX by Ron van Tilburg iPhone NEW! HP-41CX for the iPhone/iTouch by Antonio Lagana PocketPC eV41 - Release Notes - Source Code by Frank Bauernoeppel Palm OS P41CX - ROM Manager - Memo Pad Compiler - Source Code by Charles Lee MHCalc - Generic Scientific RPN Calculator by Mike Higgins MS-DOS EMU41 by Jean-François Garnier Calc/41 UNIX/Variants Nonpareil by Eric Smith HP-49G HP-41X by HrastProgrammer Mac OS X NEW! X-41 by Frederic Bronner All Emulators - List of all emulator versions in the library