To update your Casio Classpad II (fx-CP400) follow these instructions. 

  1. Download the update from the Casio website.
  2. Double-click on the OS Update application file and install the program. Accept the license and go through the installation process. 
  3. Plug your Classpad into your computer. Ensure that the calculator is on. 
    1. If a window pops up, press Cancel.
  4. On your calculator, open the Communication  application, press on Link and then OS Update and click Okay
  5. On your computer, open the Casio OS Update Application .
  6. Press OK.

Your calculator should be updating. Make sure you do not unplug the calculator while it is updating. 

If you don't have the cable for the calculator or have any trouble with the update please contact the Tech Centre.


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