Question about Texas Instruments TI-84 Plus Calculator

# TI-84 Plus: Calculator Unresponsive

Having graphed a Sin function and a straight line simultaneously, I wanted to find the Y-value at X = 1 of the Sin function.  So, naturally I hit [2nd] [CALC] and executed the Value function, having X = 1.  However, when I hit [ENTER], the calculator froze completely and all keys became unresponsive.

The problem persists even when the four batteries are removed, replaced and the calculator is turned back on; all keys still remain completely unresponsive.

When four *new* batteries were used, the calculator resumed normal functionality.  However, again, when the Value function on the same pair of graphs was used, the calculator again froze, turning all keys unresponsive yet again.

Any assistance with this problem would be greatly appreciated.

Posted by on

• ShiXiaoJi Jun 03, 2008

My calculator is completely unresponsive except for turning the power on and off. I have even taken out the batteries and replaced them, but the screen is still frozen.

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• Contributor

Try pressing the "On" button a couple times. That should work

Posted on Jan 30, 2009

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Posted on Jan 02, 2017

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