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What calculator do you use ?

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bullet308:
My new fave!!   8)

https://www.eevblog.com/forum/product-reviews-photos-and-discussion/question-how-can-dollar-tree-sell-a-scientific-calculator-for-a-dolar/

amyk:
I have an HP-42S but that reminds me working with an ASIC company in China a few years ago left me with an interesting item: a cheap looking (like this one) ostensibly four-function calculator that had trig functions and was actually programmable, the extra features accessed via multi-key combinations (not printed on the case). The concept didn't really catch on.

donald:
CASIO College FX-100A been using since 1980,

just also acquired CASIO FX-82a plus

PA4TIM:


Not mine, its on my bench for restaration only

This one is mine since Yesterday. Made in 1971 week 43 according to the serialnumber. A HP -35 the mother of all scientific pocket multimeters

FenderBender:
What do you guys think about the new OLED color graphing calcs by makers like TI (nSpire) and Casio (Prizm)?

I think they look rather gimmicky, but I've never actually used one. I'd assume battery life must be atrocious. I really like my current calculator (Sharp EL-516X) because it has dual power (solar + battery). Never have to change the batteries in my calculator again.

I wonder if there's any use for e-ink in calculators? Might be interesting.

Anyway, any thoughts on those smartphones with calculator software running on top calculators?

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