Question about Texas Instruments TI-83 Plus Calculator

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Funny Screen/Won't Turn on...

When I turn my calculator on I get a funny symbol in the top right corner and it doesn't go away no matter what I do. I've pressed 2nd and quit, I've hit clear, I've taken the batteries out for 15 minutes (including the lithium one). I've held the clear button and taken one of the triple A batteries out... I've never installed my calculator on the computer nor do I have a USB cable for it... the RAM cleared will come up randomly every once in a while and sometimes the calculator won't turn on at all and I will get a screen full of random pixles. I don't know what to do. HELP.

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  • Anonymous Feb 27, 2008

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