brunnegd Student
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low bat warning


I replaced the AAA and coin batteries, low bat(s) wrning still visible

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low bat warning

You needed reset the calculator, with ... ON+F1+F6 or with the point of one paper clip, in the Reset orifice, site in rear case.

For determine the battery charger, you can install the BtMon 1.0, from ... 

You're Welcome !.
Best wishes and regards.
@Maké (Voluntary and "ad honorem").
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Please, mark Accept As Solution if it solves your problem.
PD : The experience is a comb that you are given, when you have become bald.
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