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What's your favorite calculator?

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eugenenine:
HP 48sx, died last year so I had to fix it.

Mr. Scram:
The nearest one with the feature I need.

VK3DRB:
RealCalc Scientific Calculator (Android only). Why?

- Brilliantly designed by an electronics engineer.
- Does RPN as well as traditional algebraic.
- Best GUI around, with haptic keypress feedback.
- Great for embedded programming.
- Does conversions etc.
- Extremely convenient.
- Is free, but worth the couple of dollars for the extra features and to reward the developer.

For a desk based calculator, I use have the Farad 808 scientific calculator - still working since I bought it in 1976 during my final year of high school, with its beautiful green vacuum fluorescent display. I've had many, many calculators since 1976. But almost exclusively I use RealCalc now. Favourite programmable calculator was the TI SR56, which I bought for uni in 1977.

David Hess:
My first choice is the HP48g but only because the HP50g which replaced it is slower and less reliable.

Rick Law:
HP45.  I love that calculator.  I have the calculator case still, but I have no recollection what might have happened to it.

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