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Using the TI-83 Plus/TI-84 Plus by Christopher R. Mitchell

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Chapter 3. Basic graphing

This chapter covers

  • How to graph functions and solve problems with graphs on your calculator
  • Finding minima, maxima, values, intercepts, zeroes, and more
  • Zooming, panning, and adjusting graph styles
  • Using Table to examine graphed functions

Your graphing calculator’s most noticeable difference from a regular calculator is the large LCD screen. Whereas a simple calculator only needs to display numbers, your graphing calculator needs its big screen to display graphs. Its graphing features are a big deal, and in this chapter you’ll learn all about using them.

A graph is a curve or line drawn from a mathematical function, sketched over a coordinate plane. What does all that mean? Say you want to graph a function, ...

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