The contents of this manual are subject to change without notice.

The contents of this manual have been checked at each step along the production process. Feel free to contact us if you notice anything that is questionable, erroneous, etc.

No part of this manual may be reproduced in any form without the express written consent of the manufacturer.

The displays and illustrations (such as key markings) shown in this manual are for illustrative purposes only, and may differ somewhat from the actual items they represent.

QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries.

Python is a registered trademark of the Python Software Foundation. Trademark (™) and registered trademark (®) symbols are not used in this manual.

Company and product names used in this manual may be registered trademarks or trademarks of their respective owners.

In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of this product and items that come with it. Moreover, CASIO Computer Co., Ltd. shall not be liable for any claim of any kind whatsoever by any other party arising out of the use of this product and the items that come with it.

In no event will the manufacturer and its suppliers be liable to you or any other person for any damages, expenses, lost profits, lost savings or any other damages arising out of loss of data and/or formulas arising out of malfunction, repairs, or battery replacement. It is up to you to prepare physical records of data to protect against such data loss.

Some of the keys of your calculator have multiple functions assigned to them. This manual uses the conventions below to indicate the key operations required to access each function.

1. Press j to enter “$\sqrt{ }$”.
   This is the operation for using the function printed on the key top.

2. After pressing sj, press the above key to enter “G”, which is shown in parentheses.
   This operation is used to access the function printed in green (fx-CG100) / blue (fx-1AU GRAPH) above and to the left of the key.

3. After pressing Pj, press the above key to enter the “C”, which is shown in parentheses.
   This operation is used to access the function printed in orange (fx-CG100) / red (fx-1AU GRAPH) above and to the right of the key.

The O key and E key perform the same operation. In this manual, O is used for selecting or applying a setting, while E is used for executing a calculation. Note, however, that it makes no difference whether you press O or E for operations where either O or E is shown.

Use these keys to move the cursor or highlighting. These keys are referred to as “cursor keys” throughout this manual.

Calculations may take time.

Calculation results may be subject to error.

If an error message appears, check its contents.

Most functions are called from the Catalog menu.

While the HOME screen is displayed, pressing S will display the “Get Started” screen, which includes the information below.

QR Code for accessing the “Get Started” webpage of the Worldwide Education Service
(https://wes.casio.com/calc/cg/)
The Get Started webpage gives you access to the User’s Guide and other related information to help you get started with your calculator.

Calculator ID number (8-character string)

While the “Get Started” screen is displayed, use l and r to adjust the display brightness. The settings made with this adjustment are shared with the Display Settings of the System app.

Press b.