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Do you still use stand-alone ("pocket") calculators?
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iMo:
Wolfram Alpha returns pretty fast too :)

--- Code: ---integral_(-5)^99 log(x x) dx = -208 + 5 log(25) + 99 log(9801)≈717.9281094509898092627895355906776568003602315201025607993418414430431075264665977171140098716913919681495082661877941703815724191636985154135955803770983087545993504943645229842801255561021282129275828309
--- End code ---
DrG:
Been using this one for many years. Quite handy, no battery issues and has helped me avoid a few facepalm moments.



Shock:
These are mine, not a collection more a functional representation of calculators I like to use. Two RPN calculators, two for their EE functionality and one for VPAM. The rest are just models I own or used in the past, most of these were cheap.

HP12C - RPN programmable finance
HP12C - Spare donor for the HP15C
HP15C - RPN programmable scientific
TI 89 Titanium - Graphing and has EE software and an emulator app
TI 84 Plus - Came free with the Titanium
Casio FX-100AU PLUS - Modern scientific with VPAM
Casio FX-61F - EE functions built in scientific
Casio FX-82 - Buried in a box somewhere
Casio FX-100 - Might be in a box not see it for a while
Casio desk calculator - Work acquired non scientific
Zero999:

--- Quote from: Prehistoricman on January 16, 2020, 06:51:05 pm ---Lots of hate for the Windows calculator here. I use it very regularly.
It's important to note that I'm on about the Windows 10 calculator. I think Windows 7 and earlier had a very basic calc.
I have a keyboard shortcut to bring up the calculator that I use a lot. With a numpad, using the calculator for basic operations is just like a physical one. There are lots of shortcuts that are unfortunately hidden from the user, but you can find ones online. I most often use alt+2 and alt+3 to switch between programmer and scientific modes. Copy and paste is immensely useful. Built-in unit conversions are a nice touch.
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I prefer the Windows 7 calculator to the Windows 10 one, because it's possible to go back and edit long expressions, which they decided to remove from the Windows 10 version and is a deal breaker for me. When I'm using Windows 10, I install the old Windows 7 calculator patched, to run on Windows 10.

My favourite calculator program is MATE Calculator, but I think it has a Windows version.
David Hess:

--- Quote from: george.b on January 31, 2020, 02:37:22 pm ---
--- Quote from: David Hess on January 27, 2020, 11:06:07 am ---It is kind of sad actually considering that a processor designed and built 20+ years later draws more power to do less.
--- End quote ---

And this is why I dropped my 50g in favor of a 48G+. I couldn't keep up with battery usage. On the other hand, my 48G+ has been on the same set of non-alkaline batteries for almost a year now.
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I have two sets of AAA Enloops for my 50g and have not had a problem but I do not use it as much as I did my 48g.  The original case wore out so now I have a hard case for it.  My only complaint is the massively higher latency compared to the 48g.
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