Question about HP 12c Calculator
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Posted on Jan 02, 2017
SOURCE: HP 12C -- Rad error
Here is the self-test procedure for your calculator. If it does not answer as it should, it may need service. Sorry, I resized the picture but FixYa refuses the new dimensions. Hope it helps.
Posted on Nov 02, 2009
SOURCE: I have an HP 12c.
To start I must mention that the calculator itself may be faulty. In that case there is nothing to do. We do not normally repair this devices.
After that, HP recommend that you use only one of the batteries below (alkaline). This calculator will not work if you do not use the right batteries.
HP 12c (All serial numbers below CN11500001)*
HP 12c (Beginning with serial # CN11500001), HP 12c platinum and prestige series:
Duracell DL 2032
Resuming: ensure that you are using the right battery; possibly double check battery installation; if that is OK, then replace calculator. The same model is available from about $50. Other HP finantial calculator prices start at about $25:
Hewlett Packard 12C
Hewlett Packard 10BII Business
Posted on Nov 09, 2010
SOURCE: I have an old 12C
LR44 or equivalent batteries should be available at just about any electronics store. There are about a dozen Sydneys in the world, is there a Radio Shack store nearby?
Posted on Jul 24, 2011
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