Table of Contents
Introduction 1
About This Book 1
Foolish Assumptions 2
Icons Used in This Book 3
Beyond the Book 3
Where to Go from Here 3
Part 1 Making Friends with the Calculator 5
Chapter 1 Starting with the Basics 7
Why Didn't I Think of That? 8
Charging the Battery 9
Turning the Calculator On and Off 11
Using the Keyboard 12
Accessing the functions in blue 12
Using the alpha key to write words 12
Using the enter key 13
Using the χ, τ, θ, η key 13
Using the arrow keys 13
Keys to remember 13
What Is the Home Screen? 14
The Busy Indicator 14
Editing Entries 14
Copying and Pasting 15
Using Menus 16
Accessing a menu 16
Scrolling a menu 17
Selecting menu items 17
Setting the Mode 18
MathPrint mode versus Classic mode 18
Using the Catalog 22
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 Numeric 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 PlySmIt2 App 48
Finding the roots of a polynomial 48
Solving systems of equations 50
Part 2 Taking Your Calculator Relationships to the Next Level 53
Chapter 5 Working with Complex Numbers 55
Setting the Mode 55
Entering Complex Numbers 56
Interpreting Strange-looking Results 57
Using the CMPLX menu 58
Finding the conjugate of a complex number 59
Finding the real and imaginary parts of a complex number 59
Finding the polar angle of a complex number 59
Finding the magnitude (modulus) of a complex number 60
Displaying a complex result in polar or rectangular form 60
Chapter 6 Understanding the Math Menu and Submenus 61
Getting to Know the Math Menu and Submenus 61
Accessing Catalog Help from the Math Menu 62
The Math MATH Submenu 63
Converting between decimals and fractions 63
Cubing and taking cube roots 64
Taking the xth root 64
Finding the location of maximum and minimum values 64
Using numerical differentiation and integration templates 65
Using summation and logarithm templates 66
The Math NUM Submenu 66
Finding the absolute value 66
Rounding numbers 67
Finding the integer and fractional parts of a value 67
Using the greatest-integer function 67
Finding minimum and maximum values in a list of numbers 67
Finding the least common multiple and greatest common divisor 68
Finding the remainder 68
Chapter 7 The Angle and Test Menus 69
The Angle Menu 70
Converting degrees to radians 70
Converting radians to degrees 71
Converting between degrees and DMS 72
Entering angles in DMS measure 72
Overriding the mode of the angle 73
Converting rectangular and polar coordinates 73
The Test Menu 74
Understanding Boolean logic 74
Comparing numbers 74
Testing equivalent expressions 75
Using Logic Commands 76
Using Conditions 77
Chapter 8 Creating and Editing Matrices 79
Entering Matrices 80
Storing a Matrix 81
Matrix Arithmetic 81
Evaluating the Determinant and Other Matrix Operations 84
Solving a System of Equations 85
A-1 * B method 85
Augmenting matrices method 87
Part 3 Graphing and Analyzing Functions 89
Chapter 9 Graphing Functions 91
Entering Functions 92
Formatting Your Graph 93
Graphing Functions 93
Turning off Stat Plots (if necessary) 96
Selecting and deselecting a function 97
Adjusting the graph window 97
Stopping or pausing your graph 99
Adjusting Your Color/Line Settings 100
Graphing Families of Functions 102
Introducing the Improved Transformation App 102
Using Preset Parent Functions 104
Quitting the Transformation App 104
Graphing Piecewise Functions Using the Template 105
Graphing Trig Functions 107
Viewing the Function and Graph on the Same Screen 108
Chapter 10 Exploring Functions 111
Tracing a Graph 112
Changing the TraceStep 113
Moving the Trace cursor to any x-vaiue in the graphing window 113
Using Zoom Commands 114
Storing and recalling your favorite graphing window 119
Displaying Functions in a Table 120
Automatically generated table 120
User-generated table 122
Editing a function in a table 123
Clearing a Table 123
Viewing the Table and the Graph on the Same Screen 124
Chapter 11 Evaluating Functions 127
Finding the Value of a Function 128
Using your graph to find the value of a function 128
Using your calculator to find the value of a function 129
Composing Functions 130
Using your graph to compose functions 130
Using your calculator to compose functions 131
Finding the Zeros of a Function 132
Finding Min and Max 133
Finding Points of Intersection 134
Finding the Slope of a Curve 135
Evaluating a Definite Integral 136
Graphing Derivatives to Find Critical Points 138
Solving Equations by Graphing 139
Drawing the Inverse of a Function 140
Drawing the Tangent of a Function 141
Chapter 12 Graphing Inequalities 143
Graphing One-Variable Inequalities 143
Starting Inequality Graphing 145
Entering Functions and Inequalities 146
Entering inequalities in the Y= editor 146
Entering inequalities in the X= editor 147
Exploring a Graph 148
Shading unions and intersections 149
Finding the points of intersection 149
Other ways to explore a graph 151
Storing Data Points 151
Clearing the INEQX and INEQY lists 152
Viewing stored data 152
Quitting Inequality Graphing 153
Chapter 13 Graphing Parametric Equations 155
Changing the Mode 156
Selecting the Graph Style 156
Entering Parametric Equations 157
Setting the Window 158
Graphing Parametric Equations 159
Using Zoom to Change the Window 160
Using Trace to Evaluate a Parametric Equation 160
Viewing the Table of a Parametric Graph 161
Taking the Derivative of Parametric Equations 162
Chapter 14 Graphing Polar Equations 163
Changing the Mode 164
Selecting the Graph Style 165
Entering Polar Equations 165
Setting the Window 166
Graphing Polar Equations 167
Using Zoom to Change the Window 168
Using Trace to Evaluate a Polar Equation 169
Viewing the Table of a Polar Graph 170
Taking the Derivative of Polar Equations 170
Part 4 Working with Probability and Statistics 173
Chapter 15 Probability 175
Evaluating Factorials 175
Permutations and Combinations 176
Using the Binomial Theorem 177
Generating Random Numbers 179
Generating random integers 179
Generating random integers with no repetition 180
Generating random decimals 180
Seeding the random number generator 181
Chapter 16 Dealing with Statistical Data 183
Entering Data 183
Deleting and Editing Data 185
Inserting Data Lists 186
Using Formulas to Enter Data 187
Copying and Recalling Data Lists 188
Sorting Data Lists 189
Sorting data lists while keeping the rows intact 191
Chapter 17 Analyzing Statistical Data 193
Plotting One-Variable Data 193
Constructing a histogram 194
Adjusting the class size of a histogram 196
Constructing a box plot 197
Plotting Two-Variable Data 197
Tracing Statistical Data Plots 198
Analyzing Statistical Data 199
One-variable data analysis 200
Two-variable data analysis 201
Performing regressions 202
Graphing a regression model 204
Graphing a residual plot 205
Using Manual-Fit 205
Using statistics commands on the Home screen 207
Part 5 Doing more with Your Calculator 209
Chapter 18 Communicating with a PC Using TI Connect CE Software 211
Downloading TI Connect 212
Installing and Running TI Connect 212
Connecting Calculator and PC 214
Transferring Files 215
Using the Calculator Explorer Workspace to Transfer Files from Calculator to Computer 217
Upgrading the OS using a TI CE Bundle file 217
Chapter 19 Communicating Between Calculators 221
Linking Calculators 221
Transferring Files 222
Using Resend to Multiply Your Efforts 224
Chapter 20 Fun with Images 227
Inserting Photo Images as a Background of a Graph 227
Using TI Connect CE Software to Transfer Images 228
Using Quick Plot & Fit Equation 229
Chapter 21 Managing Memory 231
Checking Available Memory 231
Deleting and Archiving to Preserve Memory 232
Resetting the Calculator 233
Grouping and Ungrouping Programs 234
Garbage Collecting 236
Part 6 The Part of Tens 237
Chapter 22 Ten Essential Skills 239
Copying and Pasting 239
Converting a Decimal to a Fraction 239
Changing the Mode 240
Accessing Hidden Menus 240
Entering Imaginary Numbers 240
Storing a variable 241
Graphing a Function 241
Finding the Intersection Point 242
Graphing a Scatter Plot 242
Performing a Linear Regression 242
Chapter 23 Ten Common Errors 243
Using Instead of to Indicate That a Number Is Negative 243
Indicating the Order of Operations Incorrectly by Using Parentheses 243
Improperly Entering the Argument for Menu Functions 244
Accidentally Deleting a List 244
Entering an Angle in Degrees in Radian Mode 245
Graphing Trigonometric Functions in Degree Mode 245
Graphing Functions When Stat Plots Are Active 245
Inadequately Setting the Display Contrast 246
Setting the Window Inappropriately for Graphing 246
Accidentally Deactivating a Function 246
Chapter 24 Ten Common Error Messages 249
Argument 249
Bad Guess 250
Dimension Mismatch 250
Divide by Zero 250
Invalid 250
Invalid Dimension 251
No Sign Change 251
Singular Matrix 251
Syntax 251
Window Range 251
Part 7 Appendices 253
Appendix A Creating Calculator Programs 255
Creating and Saving a Program on the Calculator 255
Editing a Program on the Calculator 257
Executing a Calculator Program 257
Deleting a Program from the Calculator 258
Appendix B Controlling Program Input and Output 259
Using Input Commands 260
Using the Input command 260
Using the Prompt command 261
Using Output Commands 262
Using a program to write text 262
Using the Disp command 263
Using the Output command 263
Using a Program to Display a Graph 264
Changing the Color and Graph Style of a Function 265
Changing the Color of Text on a Graph 265
Housekeeping Issues 266
Appendix C Controlling Program Flow 269
Entering Control Commands in a Program 270
Using Decision Commands 270
The If command 270
The If … Then … End Command 271
The If … Then … Else … End Command 272
Using Looping Commands 272
The While … End command 272
The Repeat … End Command 273
The For … End Command 274
Using Branching Commands 274
Using the Goto command 275
Creating a menu 276
Stopping a Program 278
Pausing a Program 278
Executing an External Program as a Subroutine 279
Appendix D Introducing Python Programming 281
Getting to Know the Workspaces 281
Creating a Python program on the calculator 282
Running a Python program on the calculator 283
Managing a Python Program in your Calculator 284
Appendix E Mastering the Basics of Python Programming 287
Using Input Commands in a Python Program 287
Using decision commands 290
Using the Tools menu to save time 292
Index 293