Chapter 3Calculations
You’ve done some basic math already, but now it’s time to dive into more complex math. The exercises in this chapter are a little more challenging. You’ll work with formulas for numerical conversion and you’ll create some real-world financial programs, too.
These programs will test your knowledge of the order of operations. “Please Excuse My Dear Aunt Sally,” or PEMDAS, is a common way to remember the order of operations:
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Parentheses
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Exponents
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Multiplication
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Division
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Addition
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Subtraction
The computer will always follow these rules, even if you don’t want it to. So the exercises in this chapter will have you thinking about adding parentheses to your programs to ensure the output comes out correctly.
You’ll want to make good ...
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