Error Messages
Sometimes the calculator cannot do what you “ask”, such as when you press the wrong key or forget a number for a calculation. To help you correct the situation, the calculator beeps and displays a message.
Press Cor <to clear the error message.
Press any other key to clear the message and perform that key’s function.
For more explanations, refer to the list of error messages just before the subject index.
Modes
Beeper. Beeping occurs when a wrong key is pressed, when an error occurs, and during alarms for appointments. You can suppress and reactivate the beeper in the MODES menu as follows:
1.Press @>.
2.Pressing will simultaneously change and display the cur- rent setting for the beeper:
beeps for errors and appointments.
beeps only for appointments.
silences the beeper completely.
3.Press ewhen done.
Print. Press @> to specify whether or not the printer ac adapter is in use. Then press e.
Double Space. Press
on or off. Then press e.
Algebraic. Press @> to select algebraic entry logic.
RPN. Press @> to select Reverse Polish Notation entry logic.
36 1: Getting Started
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