Question about Texas Instruments TI-89 Calculator
After replacing batteries, calculator will only run for an hour over a few days before it powers down. This is a new phenomenon, and I would like to get to the bottom of it.
Maybe you batties are wek and maybe there is something again wrong with the calculator , or maybe you need stronger batteries have you tried that yet.
ps loved always
Posted on Jan 22, 2012
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Posted on Jan 02, 2017
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