A Windows-based emulator for the Casio fx-991ES Plus calculator
- Download the latest release from the repository.
- Double-click on
fx-991ES PLUS C Emulator Ver.4.00.exe
to launch the installer. - Follow the on-screen instructions to complete the installation process.
- When prompted for the activation key, use the following key:
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Start using the emulator to simulate the functions of the Casio fx-991ES Plus C calculator.
If you encounter any issues, refer to the documentation or contact support.