Does this calculate exponents?

The Casio Computer Company fx-55 plus purchased from Amazon.com is very adept in the calculations of fractions and is also very capable in the use of the exponential squared function (x2) and the mathematics involved. Mr.Donovan Colin Castell highly recommends this calculator.

Does it simplify fractions?

Yes, it does. It also can covert fraction into decimals, if you ask.

Does it come with a case/slide on cover?

Yes. It's a hard cover that covers the keys when not in use and will slide on the back when the calculator is in use.

Is this battery operated

This model is indeed powered by a battery that is charged using solar panel on the front of the unit

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