Get more lessons like this at http://www.MathTutorDVD.com In this lesson, you will get an overview of the TI-89 calculator features and functions. We will learn how to graph equations, solve equations, work with matrices, vectors, unit conversion, and more. In calculus, we will learn how to take integrals and derivatives, limits, and more. In statistics, we will learn how to perform linear regression, standard deviation, variance, scatter plots, and more. Here we learn how to convert between rectangular (cartesian) and polar coordinates, which is useful in geometry and trigonometry.