This message means the calculator does not understand what you are attempting to evaluate. Press 1 to abandon the problem and try something else, or press 2 to go to the spot where your calculator blew a gasket and see if you can fix the error.
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Popular Solutions for Texas Instruments TI-83 Plus
a horizontal line streaks from the center of the screen upon turning the calculator on, then screen...
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a horizontal line streaks from the center of the screen upon turning the calculator on, then screen stays blank and unresponsive, ive replaced the main batteries and its condition is the same. I've yet to replace the backup battery and was wondering if it was dead would it have that effect?