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Why do some HP calculators have springs inside?
12-29-2022, 05:55 AM
Post: #10
lvt Offline
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RE: Why do some HP calculators have springs inside?
OK so my 12CP doesn't have springs but it has a quartz crystal, I wonder what the quartz crystal does in the calculator? There is neither digital clock nor chronometer function.

The only reason I would think is that the quartz crystal has something to do with the screen's adjustable contrast?
HP-12C Gold / HP-12C Platinum
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RE: Why do some HP calculators have springs inside? - lvt - 12-29-2022 05:55 AM



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