The TI-89 Graphing calculator is among the bestselling and highest rated graphing calculators used by students today. The method proposed in this book has been developed through years experience using the TI-89 and has been proven to work creating a success story each and every time it was used, having helped hundreds of students who are currently attending the top American university. The approach suggested in this book is that the student can solve any type of equation or inequality with the TI-89, whether it is algebraic, trigonometric, exponential, logarithmic, polynomial or one that involves absolute values, withouT needing to know that related topic in depth and having to perform tedious steps. Students can solve all types of equations and inequalities by JUST LEARNING A FEW VERY EASY TO REMEMBER TECHNIQUES.