Fork me on GitHub

NES Emulator for NumWorks calculators

Build and install a firmware containing a port of nofrendo NES emulator on the NumWorks calculator

Preliminary step & disclaim

Do an official firmware upgrade. Follow the instructions on the official site. This is needed to setup the requirements for programming the calculator from here.

If something goes wrong, you can always restore the calculator using this method, so it is better to know how to do it before all.

I'm not affiliated with NumWorks. If your calculator is buggy when using this firmware, please restore the offical and try again.


This page will only work with the NEW HARDWARE REVISION (N110) of the NumWorks calculator !
Please go here for the old hardware revision (N100)

Step 1: Choose a ROM

Step 2: Choose a base firmware

The firmwares provided here are based on version 12.1.0

You must choose a version corresponding to the origin of the ROM. For US/JP choose NTSC, for EUR choose PAL

Step 3: Upload

Connect the calculator to a USB port, then click the upload button. The calculator must be on the "The calculator is connected" screen.

When asked to choose a device, select "NumWorks Calculator"

{{lastAction || 'Progress'}}

If something goes wrong, do the official firmware upgrade again

WARNING: Use at you own risk

Step 4: Enjoy !


  • Up, Down, Left, Right
  • Home: Select
  • Power: Start
  • OK: B
  • Back: A
  • Clear: Reset
  • Any other: Exit