(32 bit only) HP29C Simulator for Windows NT/2K/XP and Vista (32 bit only) HP33C Simulator for Windows NT/2K/XP and Vista (32 bit only) HP67 Simulator for Windows NT/2K/XP and Vista (32 bit only) HP97 Simulator for Windows XP and Vista (32 bit only) Nonpareil free source HP simulator set for Linux, and Windows nonpareil for Mac OS X debug4x ? x49gp for Unix machines HP emulators for the PC HP page of Christoph Giesselink emu48 emulator quick setup The RPN/RPL Implementations list includes many simulators HP Calculator emulators, 12c, 15c, 42s, 48GX, etc. for iPhone and iPad (by various developers)