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Comment I don't get the point of color screen calculators (Score 4, Insightful) 170

The thing that defines a calculator useful, imho, is that you don't really need to care about its battery life and it starts up fast.

If you want something with a color touch screen, can't you just install a calculator app on your phone? What's the difference? Why do you need a specialized device for that?

I have a theory that it's impossible to prove anything, but I can't prove it.