Question about Texas Instruments TI-83 Plus Calculator
How to turn form lighter to darker
Use the contrast which is the 2ND up(darker) or down (lighter)
Posted on Jun 11, 2008
You have to press the 2nd key, then the up or down arrow. up for darker screen, and down for a lighter screen.
Posted on May 13, 2008
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Posted on Jan 02, 2017
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