Even i changed the back-up battery and aaa batteries, I can't turn the Ti- 89 on.
I also tried to reset it by pressing [2nd] + [left] + [right] +[on], however, it didn;t work at all.
Plz~ help me out on this issue.
Will it connect to the computer using device explorer, This way you might be able to see what the calculator is installed with. And it should turn on automatically.
I accidently sat some books on my calculator, and the screen went black...how do I make it go back...
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There is a line in the screen where no pixels are showing, is this fixable? - it is across the whole...
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If I try to make any graph besides a scatter plot, it locks up and it I haven't been able to get it...
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If I try to make any graph besides a scatter plot, it locks up and it I haven't been able to get it to restart or anything. I take the batteries out then put them back in but it doesn't reset it.