Key facts
- Brand
- Casio
- Model
- FX-100W
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-05-02
Start here
Casio Ckfx-100W / fx-570W / fx-991W Scientific Calculator User Manual
This manual begins with safety precautions, including proper battery handling, keeping the manual accessible, and keeping batteries away from children. It also explains how to remove and install the protective case safely.
The guide then details the calculator’s functions such as dual‑line display, key layout, preparation steps before calculation, and a wide range of calculation modes—including basic arithmetic, scientific functions, statistics, and engineering calculations—along with troubleshooting tips and error messages. This manual is written in Chinese.
All Casio FX-100W documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I remove the protective case?
Hold the top of the protective case and pull the calculator out from underneath.
From: Casio Ckfx-100W / fx-570W / fx-991W Scientific Calculator User Manual
What safety warnings should I follow when using the calculator?
Do not let children touch the battery, keep the manual in an easy‑to‑access place, and avoid exposing the calculator to extreme temperatures or moisture.
From: Casio Ckfx-100W / fx-570W / fx-991W Scientific Calculator User Manual
