Machines › Calculators › HP › HP-41C
HP-41C
1979
HP's 1979 programmable calculator built on the Nut processor, an expandable RPN system with an alphanumeric display.
HP-41C Online Emulator
Play HP-41C using JavaScript directly in your browser.
Controls
Boots the HP-41C to its RPN display showing 0.0000, ready for entry. Type on the on-screen HP-41 keyboard, or use your physical keyboard for the digits, . , + − × ÷, ENTER, ← (back-arrow) and ESC (= ON). Open the debugger to single-step the HP Nut processor, read and write its A/B/C/M/N field registers and nibble RAM, set breakpoints and RAM write-watchpoints. The HP-41 system ROM (NUT microcode) is copyright Hewlett-Packard; the redistributable "GFF" dump is self-hosted for emulation.
Configurations
| Configuration | Emulator | Machine | OS | Legal | |
|---|---|---|---|---|---|
| HP-41C RPN | HP-41C | HP-41C | grey | Open ⛶ |
Chips
Emulators
| Emulator | Type | License | Site |
|---|---|---|---|
| HP-41C | online | GPL-3.0 | Website ↗ |