This is the user manual for the fx-CG10 and fx-CG20 calculators, which introduces how to insert and remove panels, first use the calculator, use the calculator precautions, handling precautions, key layout, display brightness and battery life, specifications, restarts and resets, power, etc.
This manual explains how to install, operate, and maintain the Casio fx‑CG10 and fx‑CG20 calculators. It covers panel mounting, initial power‑up steps, and the proper handling of the device to avoid data loss or hardware damage.
Safety guidelines address temperature, humidity, and handling precautions, while sections on battery replacement, memory management, and LCD display characteristics help users keep the calculators running reliably over time. This manual is written in Chinese.
| Storage capacity | Large, can store a large amount of data |
|---|---|
| LCD pixel rate | At least 9999% |
To remove the panel, do it before using the calculator as described; to mount it, place the front panel on top when not in use.
Do not pull the RESTART connector or remove the battery when a restart warning is shown, as this may cause data loss.