Ti-84 Plus Graphing Calculator For Dummies

Get up-to-speed on the functionality of your TI-84 Plus
calculator

Completely revised to cover the latest updates to the TI-84 Plus
calculators, this bestselling guide will help you become the most
savvy TI-84 Plus user in the classroom! Exploring the standard
device, the updated device with USB plug and upgraded memory (the
TI-84 Plus Silver Edition), and the upcoming color screen device,
this book provides you with clear, understandable coverage of the
TI-84's updated operating system.

• Details the new apps that are available for download to the
  calculator via the USB cable

• Walks you through menus and basic arithmetic

• Addresses graphing and analyzing functions as well as
  probability and statistics functions

• Explains how to use the calculator for geometry

• Reviews communicating with PCs and other calculators

TI-84 Plus Graphic Calculator For Dummies, 2nd Edition is
the perfect solution for getting comfortable with the new line of
TI-84 calculators!

Autorentext

Jeff McCalla is a mathematics teacher at St. Mary's Episcopal School in Memphis, TN. He cofounded the TI-Nspire SuperUser group, and received the Presidential Award for Excellence in Science & Mathematics Teaching.

C.C. Edwards is an educator who has presented numerous workshops on using TI calculators.

Zusammenfassung

Get up-to-speed on the functionality of your TI-84 Plus calculator

Completely revised to cover the latest updates to the TI-84 Plus calculators, this bestselling guide will help you become the most savvy TI-84 Plus user in the classroom! Exploring the standard device, the updated device with USB plug and upgraded memory (the TI-84 Plus Silver Edition), and the upcoming color screen device, this book provides you with clear, understandable coverage of the TI-84's updated operating system.

• Details the new apps that are available for download to the calculator via the USB cable
• Walks you through menus and basic arithmetic
• Addresses graphing and analyzing functions as well as probability and statistics functions
• Explains how to use the calculator for geometry
• Reviews communicating with PCs and other calculators
  TI-84 Plus Graphic Calculator For Dummies, 2nd Edition is the perfect solution for getting comfortable with the new line of TI-84 calculators!

Inhalt

Introduction 1

About This Book 1

Conventions Used in This Book 2

What You’re Not to Read 2

Foolish Assumptions 3

How This Book Is Organized 3

Part I: Making Friends with the Calculator 3

Part II: Taking Your Calculator Relationship to the Next Level 3

Part III: Graphing and Analyzing Functions 4

Part IV: Working with Probability and Statistics 4

Part V: Doing More with Your Calculator 4

Part VI: The Part of Tens 4

Icons Used in This Book 5

Where to Go from Here 5

Part I: Making Friends with the Calculator 7

Chapter 1: Starting with the Basics 9

Why Didn’t I Think of That? 10

Charging the Battery 11

Turning the Calculator On and Off 12

Using the Keyboard 13

Accessing the functions in blue 13

Using the ALPHA key to write words 14

Using the ENTER key 14

Using the X,T,Θ,n key 15

Using the arrow keys 15

Keys to remember 15

What Is the Home Screen? 15

The Busy Indicator 16

Editing Entries 16

Copying and Pasting 17

Using Menus 18

Accessing a menu 18

Scrolling a menu 18

Selecting menu items 19

Setting the Mode 19

MathPrint mode versus Classic mode 20

Using the Catalog 23

Chapter 2: Doing Basic Arithmetic 25

Entering and Evaluating Expressions 25

Using Exponents and Roots 27

Working in Scientific Notation 28

Getting Familiar with Important Keys 29

Following the Order of Operations 30

Using the Previous Answer 31

Storing Variables 32

Combining Expressions 33

Chapter 3: Dealing with Fractions 35

Setting the Mode 35

Converting Fractions and Decimals 36

Accessing Shortcut Menus 37

Entering Fractions and Mixed Numbers 38

Entering Complex Numbers in Fractions 39

Entering Complex Fractions 39

Chapter 4: Solving Equations 41

Using the Equation Solver 41

Step 1: Enter or edit the equation to be solved 42

Step 2: Guess a solution 43

Step 3: Solve the equation 43

Assigning Values to Variables 44

Finding Multiple Solutions 45

Making strategic guesses 45

Defining the solution bounds 46

Using the Solve Function 47

Discovering the PlySmlt2 App 48

Finding the roots of a polynomial 48

Solving systems of equations 49

Part II: Taking Your Calculator Relationship to the Next Level 51

Chapter 5: Working with Complex Numbers 53

Setting the Mode 53

Entering Complex Numbers 54

Interpreting Strange-looking Results 55

Using the CMPLX menu 56

Finding the conjugate of a complex number 56

Finding the real and imaginary parts of a complex number 56

Finding the polar angle of a complex number 57

Finding the magnitude (modulus) of a complex number 57

Displaying a complex result in polar or rectangular form 58

Chapter 6: Understanding the Math Menu and Submenus 59

Getting to Know the Math Menu and Submenus 59

Accessing Catalog Help from the Math Menu 60

The Math MATH Submenu 61

Converting between decimals and fractions 61

Cubing and taking cube roots 62

Taking the xth root 62

Finding the location of maximum and minimum values 63

Using numerical differentiation and integration templates 63

Using summation and logarithm templates 64

The Math NUM Submenu 65

Finding the absolute value 65

Rounding numbers 65 Finding the integer and fractional parts ...