The TI-84 Plus graphing calculator, the most popular calculator in the world, just got a makeover! Find out the important keystrokes you’ll need to know to use the TI-84 Plus, and learn the math functions and constants that the TI-84 Plus makes available to you. Get to know the basics of graphing on your TI-84 Plus, as well as how to use the calculator’s zoom commands and special menus.