Here are all of the topics I can think of that you can solve on your graphing calculator, how to execute them, and videos to accompany the tutorials. Most of them have problems on your own so that you try them on your graphing calculator. More Graphing Calculator How To Tutorials on their way!
Basic Math
Converting Decimals to Fractions
Adding and Subtracting Fractions
Multiplying and Dividing Fractions
Algebra
Evaluating Expressions and Functions
Writing the Equation of a Line Given Two Points
Finding the Intersection of Two Lines
Graphing Equations
Finding the Vertex of a Quadratic Function
Finding the Zeros of a Quadratic Function
Using the TI-84: How To Graph Quadratic Equations By Hand
Statistics
Variance and Standard Deviation
Other
If you have a topic that you would like written about in this list of Graphing Calculator How To Tutorials, leave a comment below!