Question about Texas Instruments TI-89 Calculator

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The calculator will not shut off when I push the off button.

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  • kakima Oct 11, 2010

    Are you pressing 2ND and then OFF? What happens if you press diamond and then OFF?

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You have to push the 2nd button, then the On button. Tell me how it worked out, and hope this helped!

Posted on Oct 12, 2010

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