CASIO FX-9860GII SD/9860GII/9860G AU PLUS/9750GII/7400GII users guide

About this manual

This document serves as the User's Guide for a series of Casio graphing calculators, including models fx-9860GII SD, fx-9860GII, fx-9860G AU PLUS, fx-9750GII, and fx-7400GII. It provides instructions on hardware setup, specifically detailing the procedure for installing batteries and adjusting display contrast for the first time.

What's inside

• Key Layout
• Using the Backlight
• Specifications
• Restart and Reset
• Power Supply
• Handling Precautions
• Memory Management

Frequently asked questions

How often should the main batteries be replaced?

You must replace the main batteries once every one year regardless of how much the calculator is used.

What happens if the calculator is exposed to low temperatures?

The calculator may require more time to display results and may even fail to operate until it returns to normal temperature.

Can using this calculator near a television cause interference?

Yes, using the calculator near a television or radio can cause interference with TV or radio reception.