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What's the current go-to calculator for electrical engineers?
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PlainName:
Thinking about this, there is some raving about calculator simulators going on. The perfect simulation of whatever calculator there on your desktop. I tried this once, mostly when I was looking to buy a calculator and tried its simulation, and figured it was cool in the way nixie tubes are, but it's form over function.

A PC has a mouse and keyboard for input (not to mention a relatively ginormous screen) so with a calculator simulator you're either tapping buttons with the mouse or finding weird key combinations. This was really apparent when I downloaded the aformentioned HiperCalc (windows version) which was very slick indeed but had no way to press the function keys other than clicking with a mouse.

Does your word processor have an interface that looks exactly like a typewriter? Why should your maths tool look exactly like a calculator?

So, that's pretty much the main reason I use OpalCalc. It is very much like Berni's SpeedCrunch (not tried that, but will do thanks!) but keeps the answers off to the right. The big difference is that it calculates in real time, so as you edit or type, the answer catches up. A sample screen is shown, then I went back and changed the first 4 to a 5. As I type, dependent calculations instantly changed to reflect the edit.

It also does other neat stuff like "$73.45 in £" (currently £53.53).
emece67:
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Sal Ammoniac:

--- Quote from: emece67 on November 03, 2021, 12:54:50 pm ---
--- Quote from: Sal Ammoniac on November 02, 2021, 09:00:53 pm ---I've got two vintage HP-25's here, but the batteries have long ago failed to hold a charge and I can't find replacements, so they're just paperweights now.

--- End quote ---

It is easy to replace the NiCd batteries on such battery packs. You just need to cut the plastic bridge that goes along the batteries at one of its extremes. Then the cells can be pulled out.

--- End quote ---

Yes, that would be easy to do, but the real problem is that those dead battery packs were thrown away years ago.
nfmax:
You can get (3D-printed) replacements from https://www.thecalculatorstore.com
Sal Ammoniac:

--- Quote from: nfmax on November 03, 2021, 05:26:54 pm ---You can get (3D-printed) replacements from https://www.thecalculatorstore.com

--- End quote ---

Thanks! I’ll do that.
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