Calling out to all engineers! What is a fully featured calculator app?

[etdoner]

Hi all.

I am looking for a calculator that can at least do what casio fx 911 es/plus. That meaning matrix operations, complex calculations(both polar and rectangular), equation solving up to 2nd or 3rd degree, logarithmic operations, written equation solving and many more things that I can't recall right now.

Am I out of luck? I couldn't find a decent calculator app to do my calculations when I'm away from my calculator.

Also there are times when I enter equations with exponentials and trigonometrics combined and such the calculator takes a lot of time to solve. And given the processing power that these smartphones have today it would be interesting to see the outcome.

So I'm open to app suggestions.

Or I will spam TI or casio to code an app besides their hardware calculators.

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[adock22096]

I use an emulator called wabbitemu. It's in the play store. I have it set up as a ti-84 and it works well.