Interesting, because a normal HP-12C it's very easy to change between decimal comma and decimal point. With the calculator off you just hold down "." and turn it on and it will toggle between decimal point and decimal comma for display. I just tried it on one of mine and (while not Brazilian) it does work as it should.
Just confirmed it on a Brazilian 12C (CNA 81306005) and it worked as expected. It's a CR2032 one, so it's CMOS.
One thing comes to mind though: back when this calculator was acquired (my wife was doing her MBA) a professor warned about being tempted to buy the Platinum version, as it would yield wrong results and, if that happened in a test, it'd result in the student failing. I think that, back then, the Platinum was the first to run on ARM emulation.
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Interesting, because a normal HP-12C it's very easy to change between decimal comma and decimal point. With the calculator off you just hold down "." and turn it on and it will toggle between decimal point and decimal comma for display. I just tried it on one of mine and (while not Brazilian) it does work as it should.
Just confirmed it on a Brazilian 12C (CNA 81306005) and it worked as expected. It's a CR2032 one, so it's CMOS.
One thing comes to mind though: back when this calculator was acquired (my wife was doing her MBA) a professor warned about being tempted to buy the Platinum version, as it would yield wrong results and, if that happened in a test, it'd result in the student failing. I think that, back then, the Platinum was the first to run on ARM emulation.