Do you own a TI-89, TI-89 Titanium, TI-92 Plus, or a Voyage 200graphing calculator? If you do, or if you need to get one forschool or your job, then you need to know how it works and how tomake the most of its functions. TI-89 For Dummies is the plain-English nuts-and-boltsguide that gets you up and running on all the things your TI-89 cando, quickly and easily. This hands-on reference guides you step bystep through various tasks and even shows you how to addapplications to your calculator. Soon you?ll have the toolsyou need to: Solve equations and systems of equations Factor polynomials Evaluate derivatives and integrals Graph functions, parametric equations, polar equations, andsequences Create Stat Plots and analyze statistical data Multiply matrices Solve differential equations and systems of differentialequations Transfer files between two or more calculators Save calculator files on your computer Packed with exciting and valuable applications that you candownload from the Internet and install through your computer, aswell as common errors and messages with explanations and solutions,TI-89 For Dummies is the one-stop reference for all yourgraphing calculator questions!