Version francaise Python Install Log Exam Rescue Xcas


KhiCAS/XCAS
Connexion kit for Numworks calculators

Beware, don't upgrade your N0110 calculator from Numworks site!+ More info
If this page does not work, clear the browser cache and retry
🛈Connect your calculator to the computer. If the calculator connection does not work:

Python scripts

  • Detect the Numworks.
  • Numworks→ ou Backup→ : get Python scripts from the calculator or from a backup.
  • →Backup : get all scripts from the calculator in one archive and save it
  • →Numworks : send a script (.py extension) or restore a backup (.nws) to the calculator.

Install, upgrade ...

Install or certification log Clear


Unlocked N0110 exam mode :

If you want to certify that a N0110 calculator firmware is a genuine version of Khi+KhiCAS, click here Certification
This test takes about 30 secondes These tests may be done by a proctor during an exam with a smartphone from this link using a smartphone-Numworks link.

Unlocked N0110 calculator blocked:

-Rescue : Click here if your N0110 is stuck.
Connect the calculator, press the 6 key, enter a pin in the RESET button on the back (keeping 6 pressed), release the 6 key. The screen should remain black, while the red led is visible. Otherwise your calculator is probably locked, click here.
-If you see http://... tries to connect, click on STM32 BOOTLOADER then click on Connect.
-If rescue does not work, try with Xcas PC. On windows, check that you have a driver for STM32 BOOTLOADER, you can install one from Zadig.

This kit works only with a webusb compatible browser, like Chromium, Chrome or Edge and from a web server. Firefox does not have support for webusb for security reasons. If you don't want to run a webusb compatible browser, you can connect your Numworks with Xcas (version Windows, Linux et Mac).
For experts who want to run this page locally, activate a local webserver, for example by running from a Terminal the following command
python3 -m http.server
from the directory where you have unzipped xcashtml.zip, then click on this link.

Thanks to Maxime Friess for his script Numworks.js (MIT licence). This page is also using tarballjs JSZip to read zip files and FileSaver.js to save files.
Thanks to Yaya.Cout for insightfull discussions about locked firmwares slot informations.
Thanks to Zexi Ru and Elio Poletti for the initial page style.