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FAQ | Calculators

Troubleshooting

Error messages

What is an Overflow Error?

Whenever the integer part of a calculation result is longer than the max. number of digits which this calculator can hold, the result would be an Overflow Error! The result will be presented in Round Number(Please refer to Round Number Calculation FAQ)

Why do I keep getting an error message when I try to perform arithmetic or trigonometric calculations?

The error messages should indicate what the problem is. See the error message list in your calculator's user's guide for more information. Press the or key to display the location of the error. Other error messages may appear to let you know that a calculation you are trying to perform is not compatible with your current mode, angle unit, display, or other setting. If this happens, check the setup of your calculator and try again.

When using the Activation Wizard, why does the error message "Invalid License. (0x8000000e)" appear on the display?

This could be due to any of the following reasons. 1.This can be due to the software version being out of date. Required action: Please update your software to the latest version before activating. 2.Your license is expired. Required action: Please obtain a new License Code.

Why does the error message "On-line activation could not be completed." appear?

This message appears when connection to the online server is not possible for some reason. Required action: ・If you have Internet access (able to connect to http://edu.casio.com/) Perform activation as instructed by the software dialog boxes. ・If you do not have Internet access Perform activation referring to "To activate on a computer (Computer A) that is not connected to the Internet" under "Activating Off Line" in the Activation Manual.

When using the Activation Wizard, why does the error message "Invalid License. (0x8000000a)" appear on the display?

This could be due to any of the following reasons. 1.You have already reached the limit of allowable software activations for this License Code. 2.Your license is expired.　 Required action: Please obtain a new License Code.

When using the Activation Wizard, why does the error message "Invalid License. (0x80000004)" appear on the display?

This could be due to any of the following reasons. 1. This error will appear if you do not enter the correct License Code. Required action: Correct the License Code and then click [Activate] again. 2.This can be due to the software version being out of date. Required action: Please update your software to the latest version before activating. 3.Your license is expired. Required action: Please obtain a new License Code.

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