Would you order a multi-course gourmet buffet and just eat salad? If you have a TI-83 Plus graphing calculator, you have a veritable feast of features and functions at your fingertips, but chances are you don't take full advantage of them. This friendly guide will help you explore your TI-83 Plus Graphing Calculator and use it for all it's worth, and that's a lot. With easy-to-follow, step-by-step instructions plus screen shots, TI-83 Plus Graphing Calculator For Dummies shows you how to:

• Perform basic arithmetic operations
• Use Zoom and panning to get the best screen...

Do you own a TI-89, TI-89 Titanium, TI-92 Plus, or a Voyage 200 graphing calculator? If you do, or if you need to get one for school or your job, then you need to know how it works and how to make the most of its functions.

TI-89 For Dummies is the plain-English nuts-and-bolts guide that gets you up and running on all the things your TI-89 can do, quickly and easily. This hands-on reference guides you step by step through various tasks and even shows you how to add applications to your calculator. Soon you'll have the tools you need to:

• Solve equations and systems of...