Texas Instruments TI-89 Titanium Graphing Calculator Guidebook

The TI-89 Titanium’s advanced functionality and 3-D graphing make problem-solving for AP, advanced mathematics, and engineering courses infinitely easier. It’s the most powerful TI graphing calculator allowed for use on the AP Calculus, AP Statistics, AP Physics, AP Chemistry, PSAT/NMSQT, SAT I , SAT II, and Math IC & IIC exams.

Getting Started

Initial start-up
TI-89 Titanium keys
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
Connecting your TI-89 Titanium to other devices


Performing Computations
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
Split Screens
Data/Matrix Editor
Statistics and Data Plots
Text Operations
Numeric Solver
Number Bases
Memory and Variable Management

Operating the Calculator

Turning the Calculator On and Off
Setting the Display Contrast
The TI-89 Titanium Keyboard
Modifier Keys
Entering Alphabetic Characters
Entering Numbers
Entering Expressions and Instructions
Formats of Displayed Results
Editing an Expression in the Entry Line
Selecting an Application
Setting Modes
Using the Clean Up Menu to Start a New Problem
Using the Catalog Dialog Box
Storing and Recalling Variable Values
Status Line Indicators in the Display

Calculator Home Screen

Calculator Home Screen
Saving the Calculator Home Screen Entries as a Text Editor Script
Cutting, Copying, and Pasting Information
Reusing a Previous Entry or the Last Answer
Auto-Pasting an Entry or Answer from the History Area
Creating and Evaluating User-Defined Functions
If an Entry or Answer Is “Too Big”
Finding the Software Version and ID Number

Symbolic Manipulation

Using Undefined or Defined Variables
Using Exact, Approximate, and Auto Modes
Automatic Simplification
Delayed Simplification for Certain Built-In Functions
Substituting Values and Setting Constraints
Overview of the Algebra Menu
Common Algebraic Operations
Overview of the Calc Menu
Common Calculus Operations
User-Defined Functions and Symbolic Manipulation
If You Get an Out-of-Memory Error
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
Setting the Graph Mode
Defining Functions for Graphing
Selecting Functions to Graph
Setting the Display Style for a Function
Defining the Viewing Window
Changing the Graph Format
Graphing the Selected Functions
Displaying Coordinates with the 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
Differences in Polar and Function Graphing

Parametric Graphing

Overview of Steps in Graphing Parametric Equations
Differences in Parametric and Function Graphing

Sequence Graphing

Overview of Steps in Graphing Sequences
Differences in Sequence and Function Graphing
Setting Axes for Time, Web, or Custom Plots
Using Web Plots
Using Custom Plots
Using a Sequence to Generate a Table

3D Graphing

Overview of Steps in Graphing 3D Equations
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
Implicit Plots
Example: Implicit Plot of a More Complicated Equation

Differential Equation Graphing

Overview of Steps in Graphing Differential Equations
Differences in Diff Equations and Function Graphing
Setting the Initial Conditions
Defining a System for Higher-Order Equations
Example of a 2nd-Order Equation
Example of a 3rd-Order Equation
Setting Axes for Time or Custom Plots
Example of Time and Custom Axes
Example Comparison of RK and Euler
Example of the deSolve( ) Function
Troubleshooting with the Fields Graph Format


Overview of Steps in Generating a Table
Setting Up the Table Parameters
Displaying an Automatic Table
Building a Manual (Ask) Table

Additional Graphing Topics

Collecting Data Points from a Graph
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 Line, Circle, or Text Label on a Graph
Saving and Opening a Picture of a Graph
Animating a Series of Graph Pictures
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
Sorting Columns
Saving a Copy of a List, Data, or Matrix Variable

Statistics and Data Plots

Overview of Steps in Statistical Analysis
Performing a Statistical Calculation
Statistical Calculation Types
Statistical Variables
Defining a Statistical Plot
Statistical Plot Types
Using the Y= Editor with Stat Plots
Graphing and Tracing a Defined Stat Plot
Using Frequencies and Categories
If You Have a CBL 2 or CBR


Running an Existing Program
Starting a Program Editor Session
Overview of Entering a Program
Overview of Entering a Function
Calling One Program from Another
Using Variables in a Program
Using Local Variables in Functions or Programs
String Operations
Conditional Tests
Using If, Lbl, and Goto to Control Program Flow
Using Loops to Repeat a Group of Commands
Configuring the TI-89 Titanium
Getting Input from the User and Displaying Output
Creating a Custom Menu
Creating a Table or Graph
Drawing on the Graph Screen
Accessing Another TI-89 Titanium, a CBL 2, or a CBR
Debugging Programs and Handling Errors
Example: Using Alternative Approaches
Assembly-Language Programs

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
Graphing the Solution

Number Bases

Entering and Converting Number Bases
Performing Math Operations with Hex or Bin Numbers
Comparing or Manipulating Bits

Memory and Variable Management

Checking and Resetting Memory
Displaying the VAR-LINK Screen
Displaying Information about Variables on the Home Screen
Pasting a Variable Name to an Application
Archiving and Unarchiving a Variable
If a Garbage Collection Message Is Displayed
Memory Error When Accessing an Archived Variable


Connecting Two Units
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


Analyzing the Pole-Corner Problem
Deriving the Quadratic Formula
Exploring a Matrix
Exploring cos(x) = sin(x)
Finding Minimum Surface Area of a Parallelepiped
Running a Tutorial Script Using the Text Editor
Decomposing a Rational Function
Studying Statistics: Filtering Data by Categories
CBL 2? Program for the TI-89 Titanium
Studying the Flight of a Hit Baseball
Visualizing Complex Zeros of a Cubic Polynomial
Solving a Standard Annuity Problem
Computing the Time-Value-of-Money
Finding Rational, Real, and Complex Factors
Simulation of Sampling without Replacement
Using Vectors to Determine Velocity

Categories: Calculators