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It's been hard to make an underpowered calculator for 30+ years. What computationally intensive tasks does one even try to attempt on a calculator?

I do remember IRR calcs on an HP-12C taking a few seconds, or so. And that machine is not cheap either.

That being said, who's running IRR on a pocket calculator?



> What computationally intensive tasks does one even try to attempt on a calculator?

Back in high school I regularly hit integrations that took minutes to do on my TI-89.


must have been some pretty big integrals, these examples in exact form seem to be close to instant.

https://www.youtube.com/watch?v=SoDkeg166xU

maybe not the TI-89 which ran 68K processor.


Those are all fairly simple, I'm talking much bigger stuff. (I actually had a Titanium, but it also has a 68k.)




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