Question about Texas Instruments TI-84 Plus Calculator
If your calculator display the checkered cursor it means that the memory is full and you cannot type in anything. Clear the memory by resetting the calculator.
Press [2nd][Mem] then select [7:Reset]
Under the first Menu RAM select 1:RAM then 2: reset
Posted on Nov 07, 2012
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Posted on Jan 02, 2017
The easiest way to fix this is through the Apps menu. Hit the apps key, then scroll down until you see any language(espanol, Deutsch, etc.). It should give you the option of switching to either that language or restoring to English. I just tried this on a calculator that was set to German. I hit Apps and scrolled down until I recognized the option for Spanish, and it still worked. It let me switch back to English.
Hope this works for you.
Posted on Dec 09, 2008
I had the same problem. I remove all four batteries and the battery backup that is underneath the little phillips screw in the battery compartment. I immediately replaced it and the other batteries and everything worked. FYI, others have called for keeping the batteries out for 8 hours.
Posted on Jan 18, 2010
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.
If that doesn't work, add a comment to this post and we'll go from there.
Posted on Jun 01, 2010
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