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I have tried turning on my calculator and typing in my question and nothing is showing up . I have tried turning it on and back off again and nothing is showing up.
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Репутация: 181
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There are two possible problems with the calculator. First is the screen's contrast may be set too low for anything to show up. The solution to fix that can be found here:
Secondly the batteries may be dead and need to be replaced. The answer for which is here:
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