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Anonymous
Anonymous Posted on Feb 16, 2011
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Calculator will not turn on. How do you replace the battery? it is a TI30xa

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  • Posted on Feb 16, 2011
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The TI-30Xa uses two A-76 lithium batteries. Comparable battery model numbers include:

Duracell® D357
Eveready® 357
Maxell® LR44
Varta® V13GA

To replace the batteries:

• Remove slide cover. Place calculator face down.
• Using a small Phillips screwdriver, remove screws from back case.
• Remove back case.
• Remove discharged batteries.
• Install new batteries positive side up, as shown on diagram inside case.
• Run a coin across the reset pad on the upper right hand corner of the printed circuit board.
• Replace back case, and then replace screws.
• Press [OFF], [ON/C], [ON/C].

Note: The calculator cannot hold data in memory when batteries are removed or become discharged.

  • Handyman 61 Jun 22, 2011

    Changing the batteries was pretty simple. On the printed circuit boad there was a message to short the reset button after changing the batteries. The coin trick work good if you don't run the cord over the negative solder joint the calculator would work. So this was good thanks

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