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Using the Scientific Calculator

Step-by-Step

Now that you have had an opportunity to review the basic keys and functions that students will need for the GED Mathematics Test, it is time for you to learn the basic step-by-step operation of the Casio fx-260 calculator.

Try the calculator.

Teaching Tip: When working with students on positive and negative integers, remind them that they must first enter the number before they can change the number from a positive to a negative. The calculator cannot perform a function on a number that is not there.