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GloriousKoji | 3 months ago

Am I the only one who dislikes the CR2032 that all the RPN calculators need?

discuss

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antod|3 months ago

No, although my old one (HP42S) used 3 of the smaller stubbier batteries.

sizzzzlerz|3 months ago

I had a 48C that fed on those batteries. They lasted forever. I had to retire mine when the battery door broke and the batteries wouldn’t stay in. It was a great calculator from HP’s heyday.

kstrauser|3 months ago

How come? I admit I've never given it any thought. What do you dislike about them?

GloriousKoji|3 months ago

Calculators are large enough that it should be possible to fit AAA or AA sized batteries, even possibly a 18650. They're lower power enough that a CR3202 lasts a long enough time but it always ends up dying at the most inconvenient time and they're really the only device I have that needs CR3202.