*This chapter covers*

- How to type on your calculator, do basic math, and navigate menus
- Functions and arguments and how to use them
- Changing calculation modes
- Using your calculator’s equation-solving tools

Your graphing calculator is first and foremost a calculator. It can graph, calculate statistics and calculus, and run programs,
but its primary job is to be great at math. The core of your calculator is the homescreen, the main area where you type math
equations and read results. In this chapter, you’ll learn about performing math on the homescreen. I’ll teach you everything
from finding the results of simple arithmetic like 2 + 2, to using mathematical functions like sine, *e ^{x}*, and absolute ...

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