Texas Instruments TI-84 PLUS - Graphing Calculator User Manual

Name: Texas Instruments TI-84 PLUS - Graphing Calculator
Brand: Texas Instruments
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Chapter 2: Math, Angle, and Test Operations 64

Boolean logic is often used with relational tests. In the following program, the instructions store 4

into C.

Default Chapter2
- Important Information2
- Table of Contents3
Chapter 1 Operating the TI-84 Plus Silver Edition8
- Documentation Conventions8
- TI-84 Plus Keyboard8
- Turning on and Turning off the TI-84 Plus10
- Setting the Display Contrast11
- The Display12
- Interchangeable Faceplates15
- Using the Clock16
- Interchangeable Faceplates16
- Entering Expressions and Instructions18
- Setting Modes21
- Using TI-84 Plus Variable Names26
- Storing Variable Values27
- Recalling Variable Values28
- Scrolling through Previous Entries on the Home Screen29
- ENTRY (Last Entry) Storage Area29
- TI-84 Plus Menus32
- VARS and VARS Y-VARS Menus34
- Equation Operating System (EOS™)36
- Special Features of the TI-84 Plus37
- Other TI-84 Plus Features38
- Error Conditions40
Chapter 2 Math, Angle, and Test Operations42
- Getting Started: Coin Flip42
- Keyboard Math Operations43
- MATH Operations45
- Using the Equation Solver49
- MATH NUM (Number) Operations52
- Entering and Using Complex Numbers57
- MATH CPX (Complex) Operations61
- MATH PRB (Probability) Operations63
- ANGLE Operations66
- TEST (Relational) Operations69
- TEST LOGIC (Boolean) Operations70
Chapter 3: Function Graphing72
- Getting Started: Graphing a Circle72
- Defining Graphs73
- Setting the Graph Modes74
- Defining Functions75
- Selecting and Deselecting Functions76
- Setting Graph Styles for Functions78
- Setting the Viewing Window Variables80
- Setting the Graph Format81
- Displaying Graphs83
- Exploring Graphs with the Free-Moving Cursor85
- Exploring Graphs with TRACE85
- Exploring Graphs with the ZOOM Instructions87
- Using ZOOM MEMORY92
- Using the CALC (Calculate) Operations94
Chapter 4 Parametric Graphing98
- Getting Started: Path of a Ball98
- Defining and Displaying Parametric Graphs100
- Exploring Parametric Graphs102
Chapter 5: Polar Graphing104
- Getting Started: Polar Rose104
- Defining and Displaying Polar Graphs105
- Exploring Polar Graphs107
Chapter 6: Sequence Graphing109
- Getting Started: Forest and Trees109
- Defining and Displaying Sequence Graphs110
- Selecting Axes Combinations114
- Exploring Sequence Graphs114
- Graphing Web Plots116
- Using Web Plots to Illustrate Convergence117
- Graphing Phase Plots118
- Comparing TI-84 Plus and TI-82 Sequence Variables120
- Keystroke Differences between TI-84 Plus121
- And TI-82121
Chapter 7: Tables122
- Getting Started: Roots of a Function122
- Setting up the Table123
- Defining the Dependent Variables124
- Displaying the Table125
Chapter 8: Draw Instructions128
- Getting Started: Drawing a Tangent Line128
- Using the DRAW Menu129
- Clearing Drawings130
- Drawing Line Segments131
- Drawing Horizontal and Vertical Lines132
- Drawing Tangent Lines133
- Drawing Functions and Inverses134
- Shading Areas on a Graph135
- Drawing Circles135
- Placing Text on a Graph136
- Using Pen to Draw on a Graph137
- Drawing Points on a Graph138
- Drawing Pixels139
- Storing Graph Pictures (Pic)141
- Recalling Graph Pictures (Pic)142
- Storing Graph Databases (GDB)142
- Recalling Graph Databases (GDB)143
Chapter 9: Split Screen144
- Getting Started: Exploring the Unit Circle144
- Using Split Screen145
- Horiz (Horizontal) Split Screen146
- G-T (Graph-Table) Split Screen147
- TI-84 Plus Pixels in Horiz and G-T Modes148
Chapter 10: Matrices150
- Getting Started: Using the MTRX Shortcut Menu150
- Getting Started: Systems of Linear Equations151
- Defining a Matrix152
- Viewing and Editing Matrix Elements153
- Using Matrices with Expressions155
- Displaying and Copying Matrices156
- Using Math Functions with Matrices158
- Using the MATRX MATH Operations161
Chapter 11: Lists168
- Getting Started: Generating a Sequence168
- Naming Lists169
- Storing and Displaying Lists170
- Entering List Names171
- Attaching Formulas to List Names172
- Using Lists in Expressions174
- LIST OPS Menu175
- LIST MATH Menu182
Chapter 12: Statistics185
- Getting Started: Pendulum Lengths and Periods185
- Setting up Statistical Analyses191
- Using the Stat List Editor192
- Attaching Formulas to List Names195
- Detaching Formulas from List Names197
- Switching Stat List Editor Contexts197
- Stat List Editor Contexts199
- STAT EDIT Menu200
- Regression Model Features202
- STAT CALC Menu205
- Statistical Variables213
- Statistical Analysis in a Program214
- Statistical Plotting215
- Statistical Plotting in a Program219
Chapter 13 Inferential Statistics and Distributions222
- Getting Started: Mean Height of a Population222
- Inferential Stat Editors225
- STAT TESTS Menu228
- Inferential Statistics Input Descriptions246
- Test and Interval Output Variables247
- Distribution Functions248
- Distribution Shading255
Chapter 14: Applications258
- The Applications Menu258
- Getting Started: Financing a Car259
- Getting Started: Computing Compound Interest260
- Using the TVM Solver260
- Using the Financial Functions261
- Calculating Time Value of Money (TVM)262
- Calculating Cash Flows264
- Calculating Amortization265
- Calculating Interest Conversion268
- Finding Days between Dates/Defining Payment Method268
- Using the TVM Variables269
- The Easydata™ Application270
Chapter 15 CATALOG, Strings, Hyperbolic Functions273
- Browsing the TI-84 Plus CATALOG273
- Entering and Using Strings274
- Storing Strings to String Variables275
- String Functions and Instructions in the CATALOG276
- Hyperbolic Functions in the CATALOG280
Chapter 16: Programming282
- Getting Started: Volume of a Cylinder282
- Creating and Deleting Programs283
- Entering Command Lines and Executing Programs285
- Editing Programs286
- Copying and Renaming Programs287
- PRGM CTL (Control) Instructions288
- PRGM I/O (Input/Output) Instructions295
- Calling Other Programs as Subroutines300
- Running an Assembly Language Program301
Chapter 17: Activities303
- The Quadratic Formula303
- Box with Lid306
- Comparing Test Results Using Box Plots313
- Graphing Piecewise Functions315
- Graphing Inequalities316
- Solving a System of Nonlinear Equations317
- Using a Program to Create the Sierpinski Triangle318
- Graphing Cobweb Attractors319
- Using a Program to Guess the Coefficients320
- Graphing the Unit Circle and Trigonometric Curves322
- Finding the Area between Curves323
- Using Parametric Equations: Ferris Wheel Problem324
- Demonstrating the Fundamental Theorem of Calculus326
- Computing Areas of Regular N-Sided Polygons328
- Computing and Graphing Mortgage Payments330
Chapter 18 Memory and Variable Management333
- Checking Available Memory333
- Deleting Items from Memory336
- Clearing Entries and List Elements336
- Archiving and Unarchiving Variables337
- Resetting the TI-84 Plus340
- Grouping and Ungrouping Variables343
- Garbage Collection346
- ERR:ARCHIVE FULL Message350
Chapter 19: Communication Link351
- Getting Started: Sending Variables351
- TI-84 Plus LINK352
- Selecting Items to Send354
- Receiving Items357
- Backing up RAM Memory358
- Error Conditions359
Appendix A361
- Functions and Instructions361
- Appendix B: Reference Information390
Appendix C: Service and Warranty Information407
- Texas Instruments Support and Service407
- Battery Information407
- In Case of Difficulty409

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Texas Instruments TI-84 PLUS - Graphing Calculator Specifications

General

Type	Graphing Calculator
Display Type	LCD
Screen Resolution	96 x 64 pixels
Processor	Zilog Z80
Memory	24 KB RAM, 480 KB Flash ROM
Power Source	4 AAA batteries (with backup lithium battery)
Connectivity	I/O port
Weight	7.4 oz (210 g)
Software	TI-OS (Texas Instruments Operating System)