TI84Plus_guidebook_EN.pdf

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TI-84 Plus and
TI-84 Plus Silver Edition
Guidebook
Note
: This guidebook for the TI-84 Plus or TI-84 Plus Silver Edition with operating system (OS)
version 2.55MP. If your calculator has a previous OS version, your screens may look different
and some features may not be available. You can download the latest OS
education.ti.com/guides.
Important Information
Texas Instruments makes no warranty, either express or implied, including but not limited to
any implied warranties of merchantability and fitness for a particular purpose, regarding any
programs or book materials and makes such materials available solely on an "as-is" basis. In
no event shall Texas Instruments be liable to anyone for special, collateral, incidental, or
consequential damages in connection with or arising out of the purchase or use of these
materials, and the sole and exclusive liability of Texas Instruments, regardless of the form of
action, shall not exceed the purchase price of this product. Moreover, Texas Instruments shall
not be liable for any claim of any kind whatsoever against the use of these materials by any
other party.
© 2004–2010 Texas Instruments Incorporated
Vernier EasyData, Vernier LabPro, and Vernier Go! Motion are a trademarks of Vernier
Software & Technology.
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Contents
Important Information .................................................................................................................... ii
Chapter 1:
Operating the TI-84 Plus Silver Edition .................................................................... 1
Documentation Conventions .......................................................................................................... 1
TI-84 Plus Keyboard ......................................................................................................................... 1
Turning On and Turning Off the TI-84 Plus .................................................................................... 3
Setting the Display Contrast ........................................................................................................... 4
The Display ....................................................................................................................................... 5
Interchangeable Faceplates ............................................................................................................ 8
Using the Clock ................................................................................................................................ 9
Entering Expressions and Instructions .......................................................................................... 11
Setting Modes ................................................................................................................................ 14
Using TI-84 Plus Variable Names ................................................................................................... 19
Storing Variable Values ................................................................................................................. 20
Recalling Variable Values .............................................................................................................. 21
Scrolling Through Previous Entries on the Home Screen ............................................................ 22
ENTRY (Last Entry) Storage Area .................................................................................................. 22
TI-84 Plus Menus ............................................................................................................................ 25
VARS and VARS Y-VARS Menus ..................................................................................................... 27
Equation Operating System (EOS™) ............................................................................................. 29
Special Features of the TI-84 Plus ................................................................................................. 30
Other TI-84 Plus Features .............................................................................................................. 31
Error Conditions ............................................................................................................................. 33
Chapter 2:
Math, Angle, and Test Operations ......................................................................... 35
Getting Started: Coin Flip ............................................................................................................. 35
Keyboard Math Operations .......................................................................................................... 36
MATH Operations .......................................................................................................................... 38
Using the Equation Solver ............................................................................................................. 42
MATH NUM (Number) Operations ................................................................................................ 45
Entering and Using Complex Numbers ........................................................................................ 50
MATH CPX (Complex) Operations ................................................................................................ 54
MATH PRB (Probability) Operations ............................................................................................. 56
ANGLE Operations ......................................................................................................................... 59
TEST (Relational) Operations ........................................................................................................ 62
TEST LOGIC (Boolean) Operations ................................................................................................ 63
Chapter 3:
Function Graphing .................................................................................................. 65
Getting Started: Graphing a Circle ............................................................................................... 65
Defining Graphs ............................................................................................................................. 66
Setting the Graph Modes .............................................................................................................. 67
Defining Functions ........................................................................................................................ 68
Selecting and Deselecting Functions ............................................................................................ 69
Setting Graph Styles for Functions ............................................................................................... 71
Setting the Viewing Window Variables ....................................................................................... 73
Setting the Graph Format ............................................................................................................. 74
Displaying Graphs .......................................................................................................................... 76
Exploring Graphs with the Free-Moving Cursor .......................................................................... 78
Exploring Graphs with TRACE ....................................................................................................... 78
Exploring Graphs with the ZOOM Instructions ............................................................................ 80
Using ZOOM MEMORY .................................................................................................................. 85
Using the CALC (Calculate) Operations ........................................................................................ 87
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Chapter 4:
Parametric Graphing .............................................................................................. 91
Getting Started: Path of a Ball ...................................................................................................... 91
Defining and Displaying Parametric Graphs ................................................................................ 93
Exploring Parametric Graphs ........................................................................................................ 95
Chapter 5:
Polar Graphing ........................................................................................................ 97
Getting Started: Polar Rose ........................................................................................................... 97
Defining and Displaying Polar Graphs ......................................................................................... 98
Exploring Polar Graphs ................................................................................................................ 100
Chapter 6:
Sequence Graphing ............................................................................................... 102
Getting Started: Forest and Trees ............................................................................................... 102
Defining and Displaying Sequence Graphs ................................................................................ 103
Selecting Axes Combinations ...................................................................................................... 107
Exploring Sequence Graphs ........................................................................................................ 107
Graphing Web Plots ..................................................................................................................... 109
Using Web Plots to Illustrate Convergence ................................................................................ 110
Graphing Phase Plots ................................................................................................................... 111
Comparing TI-84 Plus and TI-82 Sequence Variables ................................................................. 113
Keystroke Differences Between TI-84 Plus
and TI-82 ................................................................................................................................. 114
Chapter 7:
Tables ..................................................................................................................... 115
Getting Started: Roots of a Function .......................................................................................... 115
Setting Up the Table .................................................................................................................... 116
Defining the Dependent Variables ............................................................................................. 117
Displaying the Table .................................................................................................................... 118
Chapter 8:
Draw Instructions ................................................................................................. 121
Getting Started: Drawing a Tangent Line .................................................................................. 121
Using the DRAW Menu ............................................................................................................... 122
Clearing Drawings ....................................................................................................................... 123
Drawing Line Segments .............................................................................................................. 124
Drawing Horizontal and Vertical Lines ...................................................................................... 125
Drawing Tangent Lines ................................................................................................................ 126
Drawing Functions and Inverses ................................................................................................. 127
Shading Areas on a Graph .......................................................................................................... 128
Drawing Circles ............................................................................................................................ 128
Placing Text on a Graph .............................................................................................................. 129
Using Pen to Draw on a Graph ................................................................................................... 130
Drawing Points on a Graph ......................................................................................................... 131
Drawing Pixels ............................................................................................................................. 132
Storing Graph Pictures (Pic) ......................................................................................................... 134
Recalling Graph Pictures (Pic) ...................................................................................................... 135
Storing Graph Databases (GDB) .................................................................................................. 135
Recalling Graph Databases (GDB) ............................................................................................... 136
Chapter 9:
Split Screen ........................................................................................................... 137
Getting Started: Exploring the Unit Circle ................................................................................. 137
Using Split Screen ........................................................................................................................ 138
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Horiz (Horizontal) Split Screen .................................................................................................... 139
G-T (Graph-Table) Split Screen .................................................................................................... 140
TI-84 Plus Pixels in Horiz and G-T Modes .................................................................................... 141
Chapter 10:
Matrices ................................................................................................................. 143
Getting Started: Using the MTRX Shortcut Menu ..................................................................... 143
Getting Started: Systems of Linear Equations ............................................................................ 144
Defining a Matrix ........................................................................................................................ 145
Viewing and Editing Matrix Elements ........................................................................................ 146
Using Matrices with Expressions ................................................................................................. 148
Displaying and Copying Matrices ............................................................................................... 149
Using Math Functions with Matrices .......................................................................................... 151
Using the MATRX MATH Operations .......................................................................................... 154
Chapter 11:
Lists ........................................................................................................................ 161
Getting Started: Generating a Sequence ................................................................................... 161
Naming Lists ................................................................................................................................. 162
Storing and Displaying Lists ........................................................................................................ 163
Entering List Names ..................................................................................................................... 164
Attaching Formulas to List Names .............................................................................................. 165
Using Lists in Expressions ............................................................................................................ 167
LIST OPS Menu ............................................................................................................................. 168
LIST MATH Menu ......................................................................................................................... 175
Chapter 12:
Statistics ................................................................................................................ 178
Getting Started: Pendulum Lengths and Periods ...................................................................... 178
Setting Up Statistical Analyses .................................................................................................... 184
Using the Stat List Editor ............................................................................................................. 185
Attaching Formulas to List Names .............................................................................................. 188
Detaching Formulas from List Names ......................................................................................... 190
Switching Stat List Editor Contexts ............................................................................................. 190
Stat List Editor Contexts .............................................................................................................. 192
STAT EDIT Menu ........................................................................................................................... 193
Regression Model Features ......................................................................................................... 195
STAT CALC Menu .......................................................................................................................... 198
Statistical Variables ...................................................................................................................... 206
Statistical Analysis in a Program ................................................................................................. 207
Statistical Plotting ........................................................................................................................ 208
Statistical Plotting in a Program ................................................................................................. 212
Chapter 13:
Inferential Statistics and Distributions ............................................................... 215
Getting Started: Mean Height of a Population ......................................................................... 215
Inferential Stat Editors ................................................................................................................ 218
STAT TESTS Menu ......................................................................................................................... 221
Inferential Statistics Input Descriptions ...................................................................................... 239
Test and Interval Output Variables ............................................................................................. 240
Distribution Functions ................................................................................................................. 241
Distribution Shading ................................................................................................................... 248
Chapter 14:
Applications .......................................................................................................... 251
The Applications Menu ............................................................................................................... 251
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