This page shows how to use the graphing calculator. The TI-83 Plus calculator will be used for all examples.
Watch the videos as many times as you wish.
Use your own graphing calculator to try the techniques yourself. At first, try the same equations that are used in the videos, and then move on to other equations.
Video #1: Basics of Graphing Calculator and Linear Equations:
Video #2: Quadratic Equations: