TI-84+ Graphing Calculator For Dummies, 3e includes in-depth coverage of the calculators in the TI-84 Plus family. Because graphing calculators are required in many high school math classes—and can be used on standardized tests like the SAT and ACT—students want to be able to use them with confidence. With Dummies by their side, they’ll learn the ins and outs of this powerful calculator, and will no longer worry about trying to learn their device while also learning a lesson in Pre-Calculus. TI-84+ Graphing Calculator For Dummies, 3e teaches readers how to navigate the home screen, menus, and mode settings. It covers basic arithmetic functions up through matrices, complex numbers, and beyond. Readers can learn about probability, how to conduct statistical data analysis, and so much more!

Updates include:

• App updates: Inequalz, Transformation, Polynomial Root Finder
• Piecewise function graphing
• Updates to the conditions menu
• Python programming language—now available on the newest TI-84+ calculators

Jeff McCalla teaches Algebra II and is the Test Prep Coordinator at St. Mary’s Episcopal School in Memphis, Tennessee. As a regional instructor for Texas Instruments, Jeff has presented sessions at conferences all over the country. In 2009, he received the Presidential Award for Excellence in Science & Mathematics Teaching.

Introduction 1

Part 1: Making Friends with the Calculator 5

Chapter 1: Starting with the Basics 7

Chapter 2: Doing Basic Arithmetic 25

Chapter 3: Dealing with Fractions 35

Chapter 4: Solving Equations 41

Part 2: Taking Your Calculator Relationship to the Next Level 53

Chapter 5: Working with Complex Numbers 55

Chapter 6: Understanding the Math Menu and Submenus 61

Chapter 7: The Angle and Test Menus 69

Chapter 8: Creating and Editing Matrices 79

Part 3: Graphing and Analyzing Functions 89

Chapter 9: Graphing Functions 91

Chapter 10: Exploring Functions 111

Chapter 11: Evaluating Functions 127

Chapter 12: Graphing Inequalities 143

Chapter 13: Graphing Parametric Equations 155

Chapter 14: Graphing Polar Equations 163

Part 4: Working with Probability and Statistics 173

Chapter 15: Probability 175

Chapter 16: Dealing with Statistical Data 183

Chapter 17: Analyzing Statistical Data 193

Part 5: Doing More with Your Calculator 209

Chapter 18: Communicating with a PC Using TI Connect CE Software 211

Chapter 19: Communicating Between Calculators 221

Chapter 20: Fun with Images 227

Chapter 21: Managing Memory 231

Part 6: The Part of Tens 237

Chapter 22: Ten Essential Skills 239

Chapter 23: Ten Common Errors 243

Chapter 24: Ten Common Error Messages 249

Part 7: Appendices 253

Appendix A: Creating Calculator Programs 255

Appendix B: Controlling Program Input and Output 259

Appendix C: Controlling Program Flow 269

Appendix D: Introducing Python Programming 281

Appendix E: Mastering the Basics of Python Programming 287

Index 293