HP 42s RPN Scientific Calculator

HP42s has Memory Permanent memory with 8192 bytes for program and all data, program and variables shared.  HP42s has a 132x16 LCD dot matrix, 22x2 characters display.  Two line display showing X and Y register or X register and top function key assignments. Solver (root finding), matrix operations, numerical integration, complex numbers, strings, various curve fitting models. Software compatible to HP-41. Graphics capabilities and infrared port for printing.  The HP 42s is often considered one of HP high-end machine and was designed to be code-compatible with the famous HP-41.

To have a feel of HP 42s, you can download the HP 42s emulator and run it from the PC.

Note: HP no longer produce HP42S Calculator.  This page was provided for information purpose only.