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• QR Code for accessing the "Get Started" webpage of the Worldwide
Education Service (https://wes.casio.com/calc/cw/)
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 (24-character string)
Press to return to the HOME screen.
Note
• You can also display the Get Started screen, by selecting it from the SETTINGS menu.
See "Using the SETTINGS Menu" (page 19).
Precautions
Safety Precautions
Thank you for purchasing this CASIO product.
Be sure to read the "Safety Precautions" before using this product to
ensure that you use it correctly. Be sure to keep all user documentation
handy for future reference.
Danger
Indicates something that creates the major risk of death or
serious personal injury.
Button Type and Coin Type Battery Precautions
(fx-991CW only)
Take care to ensure that a battery will not be swallowed
accidentally.
Particular care is required to keep batteries away from
children.
Should a battery be swallowed accidentally or if there is a possibility
that a battery has been swallowed, immediately contact a physician.
Swallowing a battery can result in chemical burns, mucosal tissue
penetration, and other serious problems that create the risk of death.
Warning
Indicates something that creates the risk of death or serious
personal injury.
8
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