If you are not familiar with scientific calculators, learning to use one is helpful. You will have to decide whether to bring a handheld calculator with you. Know where the “Change Sign” and “Fraction” keys are and learn how to use them.Locate the “Square Root” and “Square” keys and learn how to use them.Know where the keys for raising powers and creating exponents are.Locate the equals, decimal point, and percent keys.Locate the “Shift” key and learn how to use it.Learn basic operation keys for multiplication, addition, division, and subtraction.
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