Owner's Manual

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Table Of Contents

Getting Started
- Initial start-up
- TI-89 Titanium keys
- Mode settings
  - Viewing mode settings
  - Changing mode settings
- Using the Catalog to access commands
- Calculator Home screen
- Working with Apps
- Checking status information
- Turning off the Apps desktop
- Using the clock
- Using menus
- Using split screens
- Managing Apps and operating system (OS) versions
  - Finding the OS version and identification (ID) numbers
  - Deleting an Application
- Connecting your TI-89 Titanium to other devices
- Batteries
Previews
- Performing Computations
  - Showing Computations
  - Finding the Factorial of Numbers
  - Expanding Complex Numbers
  - Finding Prime Factors
  - Finding Roots
  - Expanding Expressions
  - Reducing Expressions
  - Factoring Polynomials
  - Solving Equations
  - Solving Equations with a Domain Constraint
  - Solving Inequalities
  - Finding the Derivative of Functions
  - Finding Implicit Derivatives
  - Converting Angle Measures
- Symbolic Manipulation
- Constants and Measurement Units
- Basic Function Graphing I
- Basic Function Graphing II
- Basic Function Graphing III
- Parametric Graphing
- Polar Graphing
- Sequence Graphing
- 3D Graphing
- Differential Equation Graphing
- Additional Graphing Topics
- Tables
- Split Screens
- Data/Matrix Editor
- Statistics and Data Plots
- Programming
- Text Operations
- Numeric Solver
- Number Bases
- Memory and Variable Management
  - Archiving a variable
  - Deleting variables
Operating the Calculator
- Turning the Calculator On and Off
- Setting the Display Contrast
  - Adjusting the Display Contrast
  - When to Replace Batteries
- The TI-89 Titanium Keyboard
- Modifier Keys
- Entering Alphabetic Characters
- Entering Numbers
  - Entering a Negative Number
  - Entering a Number in Scientific Notation
- Entering Expressions and Instructions
- Formats of Displayed Results
- Editing an Expression in the Entry Line
- Menus
- Selecting an Application
- Setting Modes
- Using the Clean Up Menu to Start a New Problem
  - Clean Up Toolbar Menu
- Using the Catalog Dialog Box
- Storing and Recalling Variable Values
- Status Line Indicators in the Display
  - Status Line Indicators
Calculator Home Screen
- Calculator Home Screen
- Saving the Calculator Home Screen Entries as a Text Editor Script
  - Saving the Entries in the History Area
  - Restoring the Saved Entries
- Cutting, Copying, and Pasting Information
- Reusing a Previous Entry or the Last Answer
- Auto-Pasting an Entry or Answer from the History Area
  - Why Use Auto-Paste
  - Auto-Pasting an Entry or Answer
- Creating and Evaluating User-Defined Functions
- If an Entry or Answer Is “Too Big”
  - If an Entry or Answer Is “Too Long”
  - If There Is not Enough Memory
- Using the Custom Menu
  - Turning the Custom Menu On and Off
  - Restoring the Default Custom Menu
- Finding the Software Version and ID Number
  - Displaying the “About” Screen
  - When Do You Need this Information?
Symbolic Manipulation
- Using Undefined or Defined Variables
- Using Exact, Approximate, and Auto Modes
- 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
- Overview of the Algebra Menu
  - The Algebra Menu
- Common Algebraic Operations
- Overview of the Calc Menu
  - The Calc Menu
- Common Calculus Operations
- User-Defined Functions and Symbolic Manipulation
- If You Get an Out-of-Memory Error
  - Freeing Up Memory
  - Simplifying Problems
- Special Constants Used in Symbolic Manipulation
Constants and Measurement Units
- Entering Constants or Units
- Converting from One Unit to Another
- Setting the Default Units for Displayed Results
- Creating Your Own User-Defined Units
- List of Pre-Defined Constants and Units
Basic Function Graphing
- Overview of Steps in Graphing Functions
  - Graphing Functions
  - Exploring the Graph
- Setting the Graph Mode
- Defining Functions for Graphing
- Selecting Functions to Graph
  - Selecting or Deselecting Functions
  - From the Home Screen or a Program
- Setting the Display Style for a Function
- Defining the Viewing Window
- Changing the Graph Format
  - Displaying Graph Format Settings
  - Changing Settings
- Graphing the Selected Functions
- Displaying Coordinates with the Free-Moving Cursor
  - Free-Moving Cursor
- Tracing a Function
- Using Zooms to Explore a Graph
- Using Math Tools to Analyze Functions
Polar Graphing
- Overview of Steps in Graphing Polar Equations
  - Graphing Polar Equations
  - Exploring the Graph
- Differences in Polar and Function Graphing
Parametric Graphing
- Overview of Steps in Graphing Parametric Equations
  - Graping Parametic Equations
  - Exploring the Graph
- Differences in Parametric and Function Graphing
Sequence Graphing
- Overview of Steps in Graphing Sequences
  - Graphing Sequences
  - Exploring the Graph
- Differences in Sequence and Function Graphing
- Setting Axes for Time, Web, or Custom Plots
  - Displaying the AXES Dialog Box
- Using Web Plots
- Using Custom Plots
  - Example: Predator-Prey Model
- Using a Sequence to Generate a Table
  - Example: Fibonacci Sequence
3D Graphing
- Overview of Steps in Graphing 3D Equations
  - Graphing 3D Equations
  - Exploring the Graph
- Differences in 3D and Function Graphing
- Moving the Cursor in 3D
- Rotating and/or Elevating the Viewing Angle
- Animating a 3D Graph Interactively
- Changing the Axes and Style Formats
- Contour Plots
- Example: Contours of a Complex Modulus Surface
  - Example
- Implicit Plots
- Example: Implicit Plot of a More Complicated Equation
  - Example
Differential Equation Graphing
- Overview of Steps in Graphing Differential Equations
  - Graphing Differential Equations
- Differences in Diff Equations and Function Graphing
- Setting the Initial Conditions
- Defining a System for Higher-Order Equations
  - Transforming an Equation into a 1st-Order System
- Example of a 2nd-Order Equation
  - Example
- Example of a 3rd-Order Equation
  - Example
- 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
- Example of the deSolve( ) Function
  - Example
- Troubleshooting with the Fields Graph Format
Tables
- Overview of Steps in Generating a Table
  - Generating a Table
  - Exploring the Table
- Setting Up the Table Parameters
- Displaying an Automatic Table
- Building a Manual (Ask) Table
Additional Graphing Topics
- Collecting Data Points from a Graph
  - Collecting the Points
  - Notes about SysData Variable
- Graphing a Function Defined on the Home Screen
- Graphing a Piecewise Defined Function
- Graphing a Family of Curves
- Using the Two-Graph Mode
- 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
- Saving and Opening a Picture of a Graph
- Animating a Series of Graph Pictures
  - CyclePic Command
  - Example
- Saving and Opening a Graph Database
Split Screens
- Setting and Exiting the Split Screen Mode
- Selecting the Active Application
Data/Matrix Editor
- Overview of List, Data, and Matrix Variables
- Starting a Data/Matrix Editor Session
- Entering and Viewing Cell Values
- Defining a Column Header with an Expression
- 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
Statistics and Data Plots
- Overview of Steps in Statistical Analysis
- 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
- Statistical Plot Types
- 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
- Using Frequencies and Categories
  - Example of a Frequency Column
  - Example of a Category Column
- If You Have a CBL 2™ or CBR™
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 and Functions
- 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 Titanium
  - Configuration Commands
  - Entering the SetMode Command
- Getting Input from the User and Displaying Output
  - F3 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 Titanium, a CBL 2, or a CBR
  - F3 I/O Toolbar Menu
  - Accessing Another TI-89 Titanium
  - Accessing a CBL 2 or CBR
- Debugging Programs and Handling Errors
  - Run-Time Errors
  - Debugging Techniques
  - Error-Handling Commands
- Example: Using Alternative Approaches
  - Example 1
  - Example 2
  - Example 3
  - Example 4
- 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
Text Editor
- Starting a Text Editor Session
- Entering and Editing Text
- Entering Special Characters
- Entering and Executing a Command Script
Numeric Solver
- Displaying the Solver and Entering an Equation
- Defining the Known Variables
- Solving for the Unknown Variable
  - Finding the Solution
- Graphing the Solution
Number Bases
- Entering and Converting Number Bases
- Performing Math Operations with Hex or Bin Numbers
- Comparing or Manipulating Bits
  - Rotating and Shifting Bits
Memory and Variable Management
- Checking and Resetting Memory
  - Displaying the MEMORY Screen
  - Resetting the Memory
- Displaying the VAR-LINK Screen
- Displaying Information about Variables on the Home Screen
- Pasting a Variable Name to an Application
  - Which Applications Can You Use?
  - Procedure
- Archiving and Unarchiving a Variable
- If a Garbage Collection Message Is Displayed
- Memory Error When Accessing an Archived Variable
  - What Causes the Memory Error?
  - Correcting the Error
Connectivity
- Connecting Two Units
  - Connecting before Sending or Receiving
- Transmitting Variables, Flash Applications, and Folders
- Transmitting Variables under Program Control
- Upgrading the Operating System (OS)
- Collecting and Transmitting ID Lists
- Compatibility among the TI-89 Titanium, Voyage™ 200, TI-89, and TI-92 Plus
  - Link Transmission Table
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™ Program for the TI-89 Titanium
- 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
- Finding Rational, Real, and Complex Factors
  - Finding Factors
- Simulation of Sampling without Replacement
  - Sampling-without- Replacement Function
  - Sampling without Replacement
- Using Vectors to Determine Velocity
Symbols
Numerics
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

Getting Started 52

Example: Open the SAVE COPY AS dialog box from the Window Editor.

Press Result

Use the cursor keys to highlight

and press ¸

– or –

D¸

Press B to display

a list of folders.

Type the name of

the variable.

Press ¸ twice to save and

close the dialog box.