Question about Texas Instruments TI-81 Calculator
I took a battery out of my TI-81 that I recently bought on eBay, and as soon as I put it back in, the calculator would not turn on. It had been working perfectly fine right before then. I don't know if anyone will be able to help, but I'd be extremely grateful if someone could. Thanks in advance. - Jeff
Try replacing both the AAA batteries and the back-up batteries. This should probably fix the problem.
Posted on Aug 27, 2007
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