*This chapter covers*

**Working with complex numbers on your calculator****Using trigonometric functions and modes****Calculating limits on your calculator****Understanding logarithms and bases**

Precalculus encompasses a set of important math skills, both on their own and as a foundation on which to build your calculus education. Precalculus is generally taught after algebra, and it includes topics like polar graphing, sets and series, real and complex numbers, trigonometry, and exponents and logarithms. In chapter 4, you learned about lists and their uses for holding sets. In chapter 5, you explored polar and sequence graphing. This chapter will fill in the rest of the precalculus skills your calculator can ...

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