If you're anything like me, you know how boring many classes at school can get. And then you know how that boredom keeps you from paying attention sometimes... Well now there's a solution. No, not actually paying attention (duh), but using your graphing calculator a little bit differently.
I know that when I first got my graphing calculator, things were confusing. So for people who are still in that stage, I tried to make this guide as basic as possible. If I didn't clarify something well enough, leave a comment about it please.
Also, this was written specifically for the TI-89 Titanium calculator. Some things might be slightly different on other calculators and you might have to figure a few things out yourself.
Step 1: Screens/Menus
I'm going to first clarify the names of a few important things you'll need here... Check the pictures.