Document Outline

• TI-89 / TI-92 Plus Guidebook
  • Front Matter
    • Important and US FCC Information
    • TI-89 Shortcut Keys
    • TI-92 Plus Shortcut Keys
  • Table of Contents
    • Chapter 1: Getting Started
    • Chapter 2: Operating the Calculator
    • Chapter 3: Symbolic Manipulation
    • Chapter 4: Constants and Measurement Units
    • Chapter 5: Additional Home Screen Topics
    • Chapter 6: Basic Function Graphing
    • Chapter 7: Parametric Graphing
    • Chapter 8: Polar Graphing
    • Chapter 9: Sequence Graphing
    • Chapter 10: 3D Graphing
    • Chapter 11: Differential Equation Graphing
    • Chapter 12: Additional Graphing Topics
    • Chapter 13: Tables
    • Chapter 14: Split Screens
    • Chapter 15: Data/ Matrix Editor
    • Chapter 16: Statistics and Data Plots
    • Chapter 17: Programming
    • Chapter 18: Text Editor
    • Chapter 19: Numeric Solver
    • Chapter 20: Number Bases
    • Chapter 21: Memory and Variable Management
    • Chapter 22: Linking and Upgrading
    • Chapter 23: Activities
    • Appendix A: Functions and Instructions
    • Appendix B: Reference Information
    • Appendix C: Service and Warranty Information
    • Appendix D: Programmer’s Guide
  • Flash Applications
    • Applications
    • Hardware/Software Requirements
    • Hardware Setup for the Computer
    • Installing a Flash Application from the CD- ROM
    • Running a Flash Application
    • Transferring a Flash Application from another TI-89 / TI-92 Plus
    • Backing up a Flash Application
    • Deleting a Flash Application
  • Keystroke Differences
  • What's New!
    • Introducing Advanced Mathematics Software Version 2.0
    • Language Localization
    • Improved User Interface
    • Upgradability with Flash ROM
    • Custom Menu
  • Chapter 1: Getting Started
    • Getting the TI-89 Ready to Use
      • Installing the AAA Batteries
    • Getting the TI-92 Plus Ready to Use
      • Installing the AA Batteries
    • Setting the Contrast and Selecting a Language
      • Turning the Unit on and Adjusting the Display Contrast
      • Languages on the TI- 89 / TI- 92 Plus
      • Important Information About the Language Process
      • Localizing the TI- 89 / TI- 92 Plus
      • About the Home Screen
      • Turning the TI- 89 / TI- 92 Plus Off
    • Performing Computations
    • Graphing a Function
  • Chapter 2: Operating the Calculator
    • Turning the TI-89 / TI-92 Plus On and Off
      • Turning the TI- 89 / TI- 92 Plus On
      • Turning the TI- 89 / TI- 92 Plus Off
      • APD (Automatic Power Down)
      • Batteries
    • Setting the Display Contrast
      • Adjusting the Display Contrast
      • When to Replace Batteries
      • Using the TI-92 Plus Cover as a Stand
    • The TI-89 Keyboard
      • Overview of Some Important Keys
      • Moving the Cursor
    • The TI-92 Plus Keyboard
      • Keyboard Areas
      • Cursor Pad
    • Modifier Keys
      • Modifier Keys
      • Examples of [2nd] and [diamond] Modifiers
      • Other Important Keys You Needto Be Familiar With
    • Entering Alphabetic Characters
      • Entering a Letter Character on the TI-89
      • Typing Alphabetic Characters on the TI- 89 / TI- 92 Plus
      • Automatic Alpha-Lock in TI- 89 Dialog Boxes
      • For Special Characters
    • Home Screen
      • Displaying the Home Screen
      • Parts of the Home Screen
      • History Area
      • Scrolling through the History Area
      • History Information on the Status Line
      • Modifying the History Area
    • Entering Numbers
      • Entering a Negative Number
      • Entering a Number in Scientific Notation
    • Entering Expressions and Instructions
      • Definitions
      • Implied Multiplication
      • Parentheses
      • Entering an Expression
      • Entering Multiple Expressions on a Line
      • If an Entry or Answer Is Too Long for One Line
      • Continuing a Calculation
      • Stopping a Calculation
    • Formats of Displayed Results
      • Pretty Print Mode
      • Exact/Approx Mode
      • Display Digits Mode
      • Exponential Format Mode
    • Editing an Expression in the Entry Line
      • Removing the Highlight from the Previous Entry
      • Moving the Cursor
      • Deleting a Character
      • Clearing the Entry Line
      • Inserting or Overtyping a Character
      • Replacing or Deleting Multiple Characters
    • Menus
      • Displaying a Menu
      • Selecting an Item from a Menu
      • Items Ending with > (Submenus)
      • Items Containing “. . .” (Dialog Boxes)
      • Canceling a Menu
      • Moving from One Toolbar Menu to Another
      • Example: Selecting a Menu Item
    • Using the Custom Menu
      • Turning the Custom Menu On and Off
      • Restoring the Default Custom Menu
    • Selecting an Application
      • From the APPLICATIONS Menu
      • From the Keyboard
    • Setting Modes
      • Checking Mode Settings
      • Changing Mode Settings
      • Overview of the Modes
    • Using the Clean Up Menu to Start a New Problem
      • Clean Up Toolbar Menu
    • Using the Catalog Dialog Box
      • Displaying the CATALOG
      • Selecting a Built-in Command from the CATALOG
      • Information about Parameters
      • Selecting a Flash Application Function
      • Selecting a User- Defined Function or Program
    • Storing and Recalling Variable Values
      • Rules for Variable Names
      • Data Types
      • Storing a Value in a Variable
      • Displaying a Variable
      • Using a Variable in an Expression
      • Recalling a Variable’s Value
    • Reusing a Previous Entry or the Last Answer
      • Reusing the Expression on the Entry Line
      • Recalling a Previous Entry
      • Recalling the Last Answer
    • Auto-Pasting an Entry or Answer from the History Area
      • Why Use Auto-Paste
      • Auto-Pasting an Entry or Answer
    • Status Line Indicators in the Display
      • Status Line Indicators
    • Finding the Software Version and ID Number
      • Displaying the “About” Screen
      • When Do You Need this Information?
  • Chapter 3: Symbolic Manipulation
    • Preview of Symbolic Manipulation
    • Using Undefined or Defined Variables
      • How Undefined and Defined Variables Are Treated
      • Determining If a Variable Is Undefined
      • Deleting a Defined Variable
      • Temporarily Overriding a Variable
    • Using Exact, Approximate, and Auto Modes
      • EXACT Setting
      • APPROXIMATE Setting
      • AUTO Setting
    • Automatic Simplification
      • Default Simplification Rules
      • How Long Is the Simplification Process?
    • Delayed Simplification for Certain Built-In Functions
      • Functions that Use Delayed Simplification
    • Substituting Values and Setting Constraints
      • Typing the “With” Operator
      • Substituting for a Variable
      • Substituting for a Simple Expression
      • Substituting Complex Values
      • Be Aware of the Limitations of Substitutions
      • Specifying Domain Constraints
      • Using Substitutions vs. Defining a Variable
    • Overview of the Algebra Menu
      • The Algebra Menu
    • Common Algebraic Operations
      • Adding or Dividing Polynomials
      • Factoring and Expanding Polynomials
      • Finding Prime Factors of a Number
      • Finding Partial Expansions
      • Solving an Equation
      • Solving a System of Linear Equations
      • Finding the Zeros of an Expression
      • Finding Proper Fractions and Common Denominators
    • Overview of the Calc Menu
      • The Calc Menu
    • Common Calculus Operations
      • Integrating and Differentiating
      • Finding a Limit
      • Finding a Taylor Polynomial
    • User-Defined Functions and Symbolic Manipulation
      • For Information about Creating a User- Defined Function
      • Undefined Functions
      • Single-Statement Functions
      • Multi-Statement vs. Single- Statement Functions
    • If You Get an Out-of-Memory Error
      • Freeing Up Memory
      • Simplifying Problems
    • Special Constants Used in Symbolic Manipulation
      • true, false
      • @n1...@n255
      • Infinity, e
      • undef
  • Chapter 4: Constants and Measurement Units
    • Preview of Constants and Measurement Units
    • Entering Constants or Units
      • From a Menu
      • From the Keyboard
      • Combining Multiple Units
      • Using Parentheses with Units in a Calculation
    • Converting from One Unit to Another
      • For All Units Except Temperature
      • For Temperature Values
      • For Temperature Ranges
    • Setting the Default Units for Displayed Results
      • If You’re Using the SI or ENG/ US System
      • Setting Custom Defaults
      • What is the NONE Default?
    • Creating Your Own User-Defined Units
      • Why Use Your Own Units?
      • Rules for User-Defined Unit Names
      • Defining a Unit
    • List of Pre-Defined Constants and Units
      • Defaults for SI and ENG/ US
      • Constants
      • Length
      • Area
      • Volume
      • Time
      • Velocity
      • Acceleration
      • Temperature
      • Luminous Intensity
      • Amount of Substance
      • Mass
      • Force
      • Energy
      • Power
      • Pressure
      • Viscosity, Kinematic
      • Viscosity, Dynamic
      • Frequency
      • Electric Current
      • Charge
      • Potential
      • Resistance
      • Conductance
      • Capacitance
      • Mag Field Strength
      • Mag Flux Density
      • Magnetic Flux
      • Inductance
  • Chapter 5: Additional Home Screen Topics
    • Saving the Home Screen Entries as a Text Editor Script
      • Saving the Entries in the History Area
      • Restoring the Saved Entries
    • Cutting, Copying, and Pasting Information
      • Auto-paste vs. Cut/ Copy/ Paste
      • Cutting or Copying Information to the Clipboard
      • Pasting Information from the Clipboard
      • Example: Copying and Pasting
    • Creating and Evaluating User-Defined Functions
      • Format of a Function
      • Creating a User-Defined Function
      • Creating a Multi-Statement Function
      • Evaluating a Function
      • Displaying and Editing a Function Definition
    • Using Folders to Store Independent Sets of Variables
      • Folders and Variables
      • Creating a Folder from the Home Screen
      • Creating a Folder from the VAR-LINK Screen
      • Setting the Current Folder from the Home Screen
      • Setting the Current Folder from the MODE Dialog Box
      • Using Variables in Different Folders
      • Deleting a Folder from the Home Screen
      • Deleting a Folder from the VAR-LINK Screen
    • If an Entry or Answer Is “Too Big”
      • If an Entry or Answer Is “Too Long”
      • If There Is not Enough Memory
  • Chapter 6: Basic Function Graphing
    • Preview of Basic Function Graphing
    • Overview of Steps in Graphing Functions
      • Graphing Functions
      • Exploring the Graph
    • Setting the Graph Mode
      • Graph Mode
      • Angle Mode
      • Checking the Status Line
    • Defining Functions for Graphing
      • Defining a New Function
      • Editing a Function
      • Clearing a Function
      • Shortcuts to Move the Cursor
      • From the Home Screen or a Program
    • Selecting Functions to Graph
      • Selecting or Deselecting Functions
      • From the Home Screen or a Program
    • Setting the Display Style for a Function
      • Displaying or Changing a Function’s Style
      • If You Use Above or Below Shading
      • From the Home Screen or a Program
    • Defining the Viewing Window
      • Displaying Window Variables in the Window Editor
      • Changing the Values
      • From the Home Screen or a Program
    • Changing the Graph Format
      • Displaying Graph Format Settings
      • Changing Settings
    • Graphing the Selected Functions
      • Displaying the Graph Screen
      • Interrupting Graphing
      • If You Need to Change the Viewing Window
      • Smart Graph
    • Displaying Coordinates with the Free-Moving Cursor
      • Free-Moving Cursor
    • Tracing a Function
      • Beginning a Trace
      • Moving along a Function
      • Moving from Function to Function
      • Automatic Panning
      • Using QuickCenter
      • Canceling Trace
    • Using Zooms to Explore a Graph
      • Overview of the Zoom Menu
      • Zooming In with a Zoom Box
      • Zooming In and Out on a Point
      • Changing Zoom Factors
      • Saving or Recalling a Viewing Window
      • Restoring the Standard Viewing Window
    • Using Math Tools to Analyze Functions
      • Overview of the Math Menu
      • Finding y(x) at a Specified Point
      • Finding a Zero, Minimum, or Maximum within an Interval
      • Finding the Intersection of Two Functions within an Interval
      • Finding the Derivative (Slope) at a Point
      • Finding the Numerical Integral over an Interval
      • Finding an Inflection Point within an Interval
      • Finding the Distance between Two Points
      • Drawing a Tangent Line
      • Finding an Arc Length
      • Shading the Area between a Function and the X Axis
      • Shading the Area between Two Functions within an Interval
  • Chapter 7: Parametric Graphing
    • Preview of Parametric Graphing
    • Overview of Steps in Graphing Parametric Equations
      • Graphing Parametric Equations
      • Exploring the Graph
    • Differences in Parametric and Function Graphing
      • Setting the Graph Mode
      • Defining Parametric Equations on the Y= Editor
      • Selecting Parametric Equations
      • Selecting the Display Style
      • Window Variables
      • Exploring a Graph
  • Chapter 8: Polar Graphing
    • Preview of Polar Graphing
    • Overview of Steps in Graphing Polar Equations
      • Graphing Polar Equations
      • Exploring the Graph
    • Differences in Polar and Function Graphing
      • Setting the Graph Mode
      • Defining Polar Equations on the Y= Editor
      • Selecting the Display Style
      • Window Variables
      • Setting the Graph Format
      • Exploring a Graph
  • Chapter 9: Sequence Graphing
    • Preview of Sequence Graphing
    • Overview of Steps in Graphing Sequences
      • Graphing Sequences
      • Exploring the Graph
    • Differences in Sequence and Function Graphing
      • Setting the Graph Mode
      • Defining Sequences on the Y= Editor
      • Selecting Sequences
      • Selecting the Display Style
      • Window Variables
      • Changing the Graph Format
      • Exploring a Graph
    • Setting Axes for Time, Web, or Custom Plots
      • Displaying the AXES Dialog Box
    • Using Web Plots
      • Valid Functions for Web Plots
      • When You Display the Graph Screen
      • Drawing the Web
      • Example: Convergence
      • Example: Divergence
      • Example: Oscillation
    • Using Custom Plots
      • Example: Predator-Prey Model
    • Using a Sequence to Generate a Table
      • Example: Fibonacci Sequence
  • Chapter 10: 3D Graphing
    • Preview of 3D Graphing
    • Overview of Steps in Graphing 3D Equations
      • Graphing 3D Equations
      • Exploring the Graph
    • Differences in 3D and Function Graphing
      • Setting the Graph Mode
      • Defining 3D Equations on the Y= Editor
      • Selecting the Display Style
      • Window Variables
      • Setting the Graph Format
      • Exploring a Graph
    • Moving the Cursor in 3D
      • How to Move the Cursor
      • Simple Example of Moving the Cursor
      • Example of the Cursor on a Hidden Surface
      • Example of an “Off the Curve” Cursor
    • Rotating and/or Elevating the Viewing Angle
      • How the Viewing Angle Is Measured
      • Effect of Changing eye theta
      • Effect of Changing eye phi
      • Effect of Changing eye psi
      • From the Home Screen or a Program
    • Animating a 3D Graph Interactively
      • The Viewing Orbit
      • Animating the Graph
      • Animating a Series of Graph Pictures
    • Changing the Axes and Style Formats
      • Displaying the GRAPH FORMATS Dialog Box
      • Examples of Axes Settings
      • Examples of Style Settings
      • Be Aware of Possible Optical Illusions
    • Contour Plots
      • Selecting the Graph Format Style
      • How Are Z Values Determined?
      • Drawing a Contour for the Z Value of a Selected Point Interactively
      • Drawing Contours for Specified Z Values
      • Notes about Contour Plots
    • Example: Contours of a Complex Modulus Surface
    • Implicit Plots
      • Explicit and Implicit Forms
      • Selecting the Graph Format Style
      • Notes About Implicit Plots
    • Example: Implicit Plot of a More Complicated Equation
  • Chapter 11: Differential Equation Graphing
    • Preview of Differential Equation Graphing
    • Overview of Steps in Graphing Differential Equations
      • Graphing Differential Equations
    • Differences in Diff Equations and Function Graphing
      • Setting the Graph Mode
      • Defining Differential Equations on the Y= Editor
      • Selecting Differential Equations
      • Selecting the Display Style
      • Setting Graph Formats
      • Setting Axes
      • Window Variables
      • The fldpic System Variable
      • Exploring a Graph
    • Setting the Initial Conditions
      • Entering Initial Conditions in the Y= Editor
      • If You Do Not Enter an Initial Condition in the Y= Editor
      • Selecting an Initial Condition Interactively from the Graph Screen
      • Note about Tracing a Solution Curve
    • Defining a System for Higher-Order Equations
      • Transforming an Equation into a 1st-Order System
    • Example of a 2nd-Order Equation
    • Example of a 3rd-Order Equation
    • Setting Axes for Time or Custom Plots
      • Displaying the AXES Dialog Box
    • Example of Time and Custom Axes
      • Predator-Prey Model
    • Example Comparison of RK and Euler
    • Example of the deSolve( ) Function
    • Troubleshooting with the Fields Graph Format
      • Setting the Fields Graph Format
      • What Order Equation Are You Graphing?
      • Fields=SLPFLD
      • Fields=DIRFLD
      • Fields=FLDOFF
      • If You Use the Table Screen to View Differential Equations
  • Chapter 12: Additional Graphing Topics
    • Preview of Additional Graphing Topics
    • Collecting Data Points from a Graph
      • Collecting the Points
      • Notes about SysData Variable
    • Graphing a Function Defined on the Home Screen
      • What Is the “Native” Independent Variable?
      • Copying from the Home Screen to the Y= Editor
      • Graphing Directly from the Home Screen
      • Clearing the Graph Screen
      • Extra Benefits of User- Defined Functions
    • Graphing a Piecewise Defined Function
      • Using the When Function
      • Using a Multi-Statement, User-Defined Function
      • From the Home Screen or a Program
    • Graphing a Family of Curves
      • Examples Using the Y= Editor
      • Example Using the Graph Command
      • Simultaneous Graphs with Lists
      • When Tracing a Family of Curves
    • Using the Two-Graph Mode
      • Setting the Mode
      • The Two-Graph Screen
      • Independent Graph-Related Features
      • The Y= Editor in Two- Graph Mode
      • Using a Split Screen
      • Remember that the Two Sides Are Independent
      • From the Home Screen or a Program
    • Drawing a Function or Inverse on a Graph
      • Drawing a Function, Parametric, or Polar Equation
      • Drawing the Inverse of a Function
    • Drawing a Line, Circle, or Text Label on a Graph
      • Clearing All Drawings
      • Drawing a Point or a Freehand Line
      • Erasing Individual Parts of a Drawing Object
      • Drawing a Line Between Two Points
      • Drawing a Circle
      • Drawing a Horizontal or Vertical Line
      • Drawing a Tangent Line
      • Drawing a Line Based on a Point and a Slope
      • Typing Text Labels
      • From the Home Screen or a Program
    • Saving and Opening a Picture of a Graph
      • Saving a Picture of the Whole Graph Screen
      • Saving a Portion of the Graph Screen
      • Opening a Graph Picture
      • For Pictures Saved from a Portion of the Graph Screen
      • Deleting a Graph Picture
      • From a Program or the Home Screen
    • Animating a Series of Graph Pictures
      • CyclePic Command
    • Saving and Opening a Graph Database
      • Elements in a Graph Database
      • Saving the Current Graph Database
      • Opening a Graph Database
      • Deleting a Graph Database
      • From a Program or the Home Screen
  • Chapter 13: Tables
    • Preview of Tables
    • Overview of Steps in Generating a Table
      • Generating a Table
      • Exploring the Table
    • Setting Up the Table Parameters
      • Displaying the TABLE SETUP Dialog Box
      • Which Setup Parameters to Use
      • Changing the Setup Parameters
      • From the Home Screen or a Program
    • Displaying an Automatic Table
      • Before You Begin
      • Displaying the Table Screen
      • Changing the Cell Width
      • How Numbers Are Displayed in a Cell
      • If Results are Complex Numbers
      • Editing a Selected Function
      • If You Want to Change the Setup Parameters
    • Building a Manual (Ask) Table
      • Displaying the Table Screen
      • Entering or Editing an Independent Variable Value
      • Entering a List in the Independent Variable Column
      • Adding, Deleting, or Clearing
      • Cell Width and Display Formats
      • From the Home Screen or a Program
  • Chapter 14: Split Screens
    • Preview of Split Screens
    • Setting and Exiting the Split Screen Mode
      • Setting the Split Screen Mode
      • Setting the Initial Applications
      • Other Modes that Affect a Split Screen
      • Split Screens and Pixel Coordinates
      • Exiting the Split Screen Mode
      • When You Turn Off the TI- 89 / TI- 92 Plus
    • Selecting the Active Application
      • The Active Application
      • Switching between Applications
      • Opening a Different Application
      • Using [2nd] [QUIT] to Display the Home Screen
      • When Using a Top- Bottom Split
  • Chapter 15: Data/ Matrix Editor
    • Preview of the Data/Matrix Editor
    • Overview of List, Data, and Matrix Variables
      • List Variable
      • Data Variable
      • Matrix Variable
    • Starting a Data/Matrix Editor Session
      • Creating a New Data, Matrix, or List Variable
      • Using the Current Variable
      • Creating a New Variable from the Data/ Matrix Editor
      • Opening Another Variable
      • Note about Deleting a Variable
    • Entering and Viewing Cell Values
      • The Data/Matrix Editor Screen
      • Entering or Editing a Value in a Cell
      • Scrolling through the Editor
      • How Rows and Columns Are Filled Automatically
      • Changing the Cell Width
      • Clearing a Column or all Columns
    • Inserting and Deleting a Row, Column, or Cell
      • Note About Column Titles and Headers
      • Inserting a Row or Column
      • Inserting a Cell
      • Deleting a Row or Column
      • Deleting a Cell
      • If You Need to Add a New “Last” Row, Column, or Cell
    • Defining a Column Header with an Expression
      • Entering a Header Definition
      • Clearing a Header Definition
      • Using an Existing List as a Column
      • To Fill a Matrix with a List
      • The Auto-calculate Feature
    • Using Shift and CumSum Functions in a Column Header
      • Using the Shift Function
      • Using the CumSum Function
    • Sorting Columns
      • Sorting a Single Column
      • Sorting All Columns Based on a “Key” Column
    • Saving a Copy of a List, Data, or Matrix Variable
      • Valid Copy Types
      • Procedure
      • To Copy a Data Column to a List
  • Chapter 16: Statistics and Data Plots
    • Preview of Statistics and Data Plots
    • Overview of Steps in Statistical Analysis
      • Calculating and Plotting Stat Data
      • Exploring the Graphed Plots
    • Performing a Statistical Calculation
      • The Calculate Dialog Box
      • Redisplaying the STAT VARS Screen
    • Statistical Calculation Types
      • Selecting the Calculation Type
      • From the Home Screen or a Program
    • Statistical Variables
      • Calculated Variables
    • Defining a Statistical Plot
      • Procedure
      • Selecting or Deselecting a Plot
      • Copying a Plot Definition
      • Clearing a Plot Definition
    • Statistical Plot Types
      • Scatter
      • xyline
      • Box Plot
      • Histogram
    • Using the Y= Editor with Stat Plots
      • Showing the List of Stat Plots
      • To Graph Plots and Y= Functions
    • Graphing and Tracing a Defined Stat Plot
      • Defining the Viewing Window
      • Changing the Graph Format
      • Tracing a Stat Plot
    • Using Frequencies and Categories
      • Example of a Frequency Column
      • Example of a Category Column
    • If You Have a CBL 2/CBL or CBR
      • How CBL 2/CBL Data Is Stored
      • Referring to the CBL 2/ CBL Lists
      • Creating a Data Variable with the CBL 2/ CBL Lists
      • CBR
  • Chapter 17: Programming
    • Preview of Programming
    • Running an Existing Program
      • Running a Program
      • “Breaking” a Program
      • Where Is the Output Displayed?
      • The Program I/O Screen
      • Leaving the Program I/ O Screen
    • Starting a Program Editor Session
      • Starting a New Program or Function
      • Resuming the Current Program
      • Starting a New Program from the Program Editor
      • Opening a Previous Program
      • Copying a Program
      • Note about Deleting a Program
    • Overview of Entering a Program
      • Entering and Editing Program Lines
      • Entering Multi-Command Lines
      • Entering Comments
      • Controlling the Flow of a Program
      • Using Indentation
      • Displaying Calculated Results
      • Getting Values into a Program
      • Example of Passing Values to a Program
    • Overview of Entering a Function
      • Why Create a User-Defined Function?
      • Differences Between Functions and Programs
      • Entering a Function
      • How to Return a Value from a Function
      • Example of a Function
    • Calling One Program from Another
      • Calling a Separate Program
      • Calling an Internal Subroutine
      • Notes about Using Subroutines
    • Using Variables in a Program
      • Scope of Variables
      • Circular Definition Errors
      • Variable-Related Commands
    • Using Local Variables in Functions or Programs
      • Example of a Local Variable
      • What Causes an Undefined Variable Error Message?
      • You Must Initialize Local Variables
      • To Perform Symbolic Calculations
    • String Operations
      • How Strings Are Used
      • String Commands
    • Conditional Tests
      • Entering a Test Operator
      • Relational Tests
      • Boolean Tests
      • The Not Function
    • Using If, Lbl, and Goto to Control Program Flow
      • [F2] Control Toolbar Menu
      • If Command
      • If...Then...EndIf Structures
      • If...Then...Else... EndIf Structures
      • If...Then...ElseIf... EndIf Structures
      • Lbl and Goto Commands
    • Using Loops to Repeat a Group of Commands
      • [F2] Control Toolbar Menu
      • For...EndFor Loops
      • While...EndWhile Loops
      • Loop...EndLoop Loops
      • Repeating a Loop Immediately
      • Lbl and Goto Loops
    • Configuring the TI-89 / TI-92 Plus
      • Configuration Commands
      • Entering the SetMode Command
    • Getting Input from the User and Displaying Output
      • I/O Toolbar Menu
      • Input Commands
      • Output Commands
      • Graphical User Interface Commands
    • Creating a Custom Menu
      • Turning the Custom Menu On and Off
      • Defining a Custom Menu
      • Restoring the Default Custom Menu
    • Creating a Table or Graph
      • Table Commands
      • Graphing Commands
      • Graph Picture and Database Commands
    • Drawing on the Graph Screen
      • Pixel vs. Point Coordinates
      • Erasing Drawn Objects
      • Drawing a Point or Pixel
      • Drawing Lines and Circles
      • Drawing Expressions
    • Accessing Another TI-89/TI-92 Plus, a CBL 2/CBL, or a CBR
      • [F3] I/ O Toolbar Menu
      • Accessing Another TI.89 / TI.92 Plus
      • Accessing a CBL 2/ CBL or CBR
    • Debugging Programs and Handling Errors
      • Run-Time Errors
      • Debugging Techniques
      • Error-Handling Commands
    • Example: Using Alternative Approaches
    • Assembly-Language Programs
      • Where to Get Assembly- Language Programs
      • Note about TI-GRAPH LINK
      • Running an Assembly- Language Program
      • Shortcuts to Run a Program
      • You Cannot Edit an Assembly- Language Program
      • Displaying a List of Assembly- Language Programs
      • For Information about Writing an Assembly- Language Program
  • Chapter 18: Text Editor
    • Preview of Text Operations
    • Starting a Text Editor Session
      • Starting a New Session
      • Resuming the Current Session
      • Starting a New Session from the Text Editor
      • Opening a Previous Session
      • Copying a Session
      • Note about Deleting a Session
    • Entering and Editing Text
      • Typing Text
      • Typing Alphabetic Characters
      • Deleting Characters
      • Highlighting Text
      • Replacing or Deleting Highlighted Text
      • Cutting, Copying, and Pasting Text
      • Finding Text
      • Inserting or Overtyping a Character
      • Clearing the Text Editor
      • Using a Computer and TI-GRAPH LINK to Enter Text
    • Entering Special Characters
      • Selecting Characters from the CHAR Menu
      • Displaying the Keyboard Map
      • Typing Special Symbols from the Keyboard
      • Typing Accent Marks from the TI-92 Plus Keyboard
      • Typing Greek Letters from the Keyboard
      • For a List of All Special Characters
    • Entering and Executing a Command Script
      • Inserting a Command Mark
      • Deleting a Command Mark
      • Executing a Command
      • Splitting the Text Editor/ Home Screen
      • Creating a Script from Your Home Screen Entries
    • Creating a Lab Report
      • Print Objects
      • Inserting a Print Object Mark
      • Inserting a Page Break Mark
      • Deleting a Print Object or Page Break Mark
      • Printing the Report
  • Chapter 19: Numeric Solver
    • Preview of the Numeric Solver
    • Displaying the Solver and Entering an Equation
      • Displaying the Numeric Solver
      • Entering an Equation
      • Recalling Previously Entered Equations
      • Saving Equations for Future Use
      • Opening a Saved Equation
    • Defining the Known Variables
      • Defining the List of Variables
      • Notes and Common Errors
      • Editing the Equation
      • Specifying an Initial Guess and/ or Bounds (Optional)
    • Solving for the Unknown Variable
      • Finding the Solution
    • Graphing the Solution
      • Displaying the Graph
      • How the Graph Affects Various Settings
      • Selecting a New Initial Guess from the Graph
      • Returning to a Full Screen
      • Clearing Variables Before Leaving the Numeric Solver
  • Chapter 20: Number Bases
    • Preview of Number Bases
    • Entering and Converting Number Bases
      • Entering a Binary or Hexadecimal Number
      • Converting between Number Bases
      • Alternate Method for Conversions
    • Performing Math Operations with Hex or Bin Numbers
      • Setting the Base Mode for Displayed Results
      • Dividing When Base = HEX or BIN
      • Size Limitations When Base = HEX or BIN
    • Comparing or Manipulating Bits
      • Boolean Operations
      • Rotating and Shifting Bits
  • Chapter 21: Memory and Variable Management
    • Preview of Memory and Variable Management
    • Checking and Resetting Memory
      • Displaying the MEMORY Screen
      • Resetting the Memory
      • Flash ROM free on the MEMORY Screen
    • Displaying the VAR-LINK Screen
      • Displaying the VAR- LINK Screen
      • Variable Types as Listed on VAR- LINK
      • Listing Only a Specified Folder and/ or Variable Type, or Flash application
      • Closing the VAR- LINK Screen
    • Manipulating Variables and Folders with VAR-LINK
      • Showing the Contents of a Variable
      • Selecting Items from the List
      • Deleting Variables or Folders
      • Creating a New Folder
      • Copying or Moving Variables from One Folder to Another
      • Renaming Variables or Folders
      • Locking or UnlockingVariables Folders, or Flash Applications
    • Pasting a Variable Name to an Application
      • Which Applications Can You Use?
      • Procedure
    • Archiving and Unarchiving a Variable
      • Why Would You Want to Archive a Variable?
      • Checking for Available Space
      • From the VAR-LINK Screen
      • From the Home Screen or a Program
    • If a Garbage Collection Message Is Displayed
      • Responding to the Garbage Collection Message
      • Why not Perform Garbage Collection Automatically, without a Message?
      • Why Is Garbage Collection Necessary?
      • How Unarchiving a Variable Affects the Process
      • If the MEMORY Screen Shows Enough Free Space
      • The Garbage Collection Process
    • Memory Error When Accessing an Archived Variable
      • What Causes the Memory Error?
      • Correcting the Error
  • Chapter 22: Linking and Upgrading
    • Linking Two Units
      • Connecting before Sending or Receiving
    • Transmitting Variables, Flash Applications, and Folders
      • Setting Up the Units
      • Rules for Transmitting Variables, Flash Applications, or Folders
      • Canceling a Transmission
      • Common Error and Notification Messages
      • Deleting Variables, Flash Applications, or Folders
      • Where to Get Flash Applications
    • Transmitting Variables under Program Control
      • Overview of Commands
      • The “Chat” Program
      • Running the Program
      • Stopping the Program
    • Upgrading Product Software (Base Code)
      • Product Software (Base Code) Upgrades
      • Important Product Software (Base Code) Download Information
      • Backing Up Your Unit Before a Product Software (Base Code) Installation
      • Where to Get Product Software (Base Code)
      • Transferring Product Software (Base Code)
      • Do Not Attempt to Cancel a Product Software (Base Code) Transfer
      • If You’re Upgrading Product Software (Base Code) on Multiple Units
      • Error Messages
    • Collecting and Transmitting ID Lists
      • ID Lists and Group Certificates
      • Collecting ID Lists
      • Transmitting the ID List to a Computer
      • Clearing the ID List
    • Compatibility between a TI-89, TI-92 Plus, and TI-92
      • Main Types of Incompatibilities
      • Text versus Tokenized
      • TI-92 to TI-89 or TI- 92 Plus
      • TI-89 or TI-92 Plus to TI- 92
  • Chapter 23: Activities
    • Analyzing the Pole-Corner Problem
      • Maximum Length of Pole in Hallway
    • Deriving the Quadratic Formula
      • Performing Computations to Derive the Quadratic Formula
    • Exploring a Matrix
      • Exploring a 3x3 Matrix
    • Exploring cos(x) = sin(x)
      • Method 1: Graph Plot
      • Method 2: Symbolic Manipulation
    • Finding Minimum Surface Area of a Parallelepiped
      • Exploring a 3D Graph of the Surface Area of a Parallelepiped
      • Finding the Minimum Surface Area Analytically
    • Running a Tutorial Script Using the Text Editor
      • Running a Tutorial Script
    • Decomposing a Rational Function
      • Decomposing a Rational Function
    • Studying Statistics: Filtering Data by Categories
      • Filtering Data by Categories
    • CBL 2/CBL Program for the TI-89 / TI-92 Plus
    • Studying the Flight of a Hit Baseball
      • Setting Up a Parametric Graph and Table
      • Optional Exercise
    • Visualizing Complex Zeros of a Cubic Polynomial
      • Visualizing Complex Roots
      • Summary
    • Solving a Standard Annuity Problem
      • Finding the Interest Rate of an Annuity
      • Finding the Future Value of an Annuity
    • Computing the Time-Value-of-Money
      • Time-Value-of-Money Function
      • Finding the Monthly Payment
      • Finding the Number of Payments
    • Finding Rational, Real, and Complex Factors
      • Finding Factors
    • Simulation of Sampling without Replacement
      • Sampling-without-Replacement Function
      • Sampling without Replacement
  • Appendix A: Functions and Instructions
    • Quick-Find Locator
      • Algebra
      • Calculus
      • Graphics
      • Lists
      • Math
      • Matrices
      • Programming
      • Statistics
      • Strings
    • Alphabetical Listing of Operations
      • A
      • B
      • C
      • D
      • E
      • F
      • G
      • H, I
      • L
      • M
      • N
      • O
      • P
      • Q
      • R
      • S
      • T
      • U
      • V, W
      • X
      • Z
      • Symbols
  • Appendix B: Reference Information
    • TI-89 / TI-92 Plus Error Messages
    • Modes
      • Graph
      • Current Folder
      • Display Digits
      • Angle
      • Exponential Format
      • Complex Format
      • Vector Format
      • Pretty Print
      • Split Screen
      • Split 1 App and Split 2 App
      • Number of Graphs
      • Graph 2
      • Split Screen Ratio (TI- 92 Plus only)
      • Exact/Approx
      • Base
      • Unit System
      • Custom Units
      • Language
    • TI-89 / TI-92 Plus Character Codes
    • TI-89 Key Codes
    • TI-92 Plus Key Codes
    • Entering Complex Numbers
      • Overview of Complex Numbers
      • Complex Format Mode for Displaying Results
      • Using Complex Variables in Symbolic Calculations
      • Complex Numbers and Degree Mode
    • Accuracy Information
      • Computational Accuracy
      • Graphing Accuracy
    • System Variables and Reserved Names
      • Graph
      • Graph Zoom
      • Statistics
      • Table
      • Data/Matrix
      • Miscellaneous
      • Solver
    • EOS (Equation Operating System) Hierarchy
      • Order of Evaluation
      • Parentheses, Brackets, and Braces
      • Indirection
      • Post Operators
      • Exponentiation
      • Negation
      • Constraint (|)
    • Regression Formulas
      • Least-Squares Algorithm
      • Regressions
    • Contour Levels and Implicit Plot Algorithm
      • Algorithm
    • Runge-Kutta Method
      • Bogacki-Shampine 3( 2) Formula
  • Appendix C: Service and Warranty Information
    • Battery Information
      • When to Replace the Batteries
      • Effects of Replacing the Batteries
      • Battery Precautions
      • Replacing the Alkaline Batteries in the TI- 89
      • Replacing the Lithium Battery in the TI- 89
      • Replacing the Alkaline Batteries in the TI- 92 Plus
      • Replacing the Lithium Battery in the TI- 92 Plus
    • In Case of Difficulty
      • Suggestions
    • Support and Service Information
      • Product Support
      • Product Service
      • Other TI Products and Services
    • Warranty Information
      • Customers in the U. S. and Canada Only
      • Australia & New Zealand Customers only
      • All Other Customers
  • Appendix D: Programmer’s Guide
    • setMode( ) and getMode( )
    • setGraph( )
    • setTable( )
  • Index
    • Symbols
    • A
    • B, C
    • D
    • E
    • F
    • G
    • H, I
    • K, L, M
    • N, O, P
    • Q, R, S
    • T, U
    • V, W
    • X, Y, Z