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Fair enough. Well, the reason I selected this App is because I have frequent need for a good scientific calculator. I searched for calculators in the App store - there are a lot. However, most of them are either basic 4-function calculators, business calculators, or else have a screen cluttered up with stuff which detracts from using it. TouchCalc does exactly what I want - it fills the screen, the keys are big enough such that there's no error in keying, the layout is intuitive, and it has good accuracy. It doesn't support RPN, but I've never been into RPN personally. And it's free, which is nice.
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