Question about Texas Instruments TI-83 Plus Calculator
TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.
Posted on Mar 09, 2010
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Posted on Jan 02, 2017
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Aug 28, 2012 | Texas Instruments TI-84 Plus Calculator
If you cannot see anything on the screen, you may need to
adjust the graphing TI 84 calculator contrast :
1. To darken the screen, press and release 2nd
key, and then press and hold up-arrow key until the display is sufficiently dark.
2. To lighten the
screen, press and release 2nd key, and then press and hold Down-arrow key until the display is sufficiently light.
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