Question about Texas Instruments TI-89 Calculator
Everybutton i push on my ti-89 gives me an equal sign. if i push second to turn it off it give an apostrophe but wont turn off. The up arrow gives an A. the yellow button gives an equal signs thats crossed out. The alpha button gives a lower case a. Other than those buttons every button will give an equal sign and i cant do anything.
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Posted on Jan 02, 2017
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