Question about Texas Instruments TI-86 Calculator

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Screen problem on a ti calculator

My son in school was pushing on the screen and now there are big marks there how can i get rid of this.

Thank you

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If they are smudges, or smear marks, clean them with a soft cloth with some isopropyl alcohol (rubbing alcohol, very little). If LCD screen is damaged I do not know what you can do except having it repaired.
Hope it helps.

Posted on Sep 23, 2009

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