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Ti-84 Plus Graphing Calculator For Dummies, 2nd Edition by C. C. Edwards, Jeff McCalla

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Chapter 2

Doing Basic Arithmetic

In This Chapter

arrow Entering and evaluating arithmetic expressions

arrow Utilizing exponent and roots

arrow Working in scientific notation

arrow Knowing the important keys

arrow Obeying the order of operations

arrow Storing and recalling variables

arrow Using the previous answer

arrow Combining expressions

When you use the calculator to evaluate an arithmetic expression such as 510 + 46, the format in which the calculator displays the answer depends on how you have set the mode of the calculator. Do you want answers displayed in scientific notation? Do you want all numbers rounded to two decimal places?

Setting the mode of the calculator affords you the opportunity to tell the calculator how you ...

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