Introduction
The Texas Instruments TI-89 Titanium is an advanced graphing calculator designed for a wide range of mathematical and scientific applications. It supports functions in algebra, calculus, matrices, and statistics, along with advanced graphing capabilities including 2D, 3D, parametric, polar, and differential-equation graphing. This manual provides instructions for setting up, operating, and maintaining your TI-89 Titanium calculator.
Image: The Texas Instruments TI-89 Titanium Graphing Calculator, displaying its screen and keypad layout.
Package Contents
Verify that your package contains the following items:
- TI-89 Titanium calculator
- Slide case
- 3 AAA batteries (for operation)
- 1 USB computer cable
- 1 USB unit-to-unit cable
- Quick reference card
Image: The TI-89 Titanium calculator shown with its included accessories: a slide case, USB cables, and documentation.
Setup
1. Battery Installation
The TI-89 Titanium requires four AAA batteries for operation. These are typically included with the calculator. To install or replace batteries:
- Locate the battery compartment cover on the back of the calculator.
- Slide the cover off.
- Insert four AAA batteries, ensuring correct polarity (+ and - terminals).
- Replace the battery compartment cover.
Note: Always use fresh batteries for optimal performance. Remove batteries if the calculator will not be used for an extended period.
2. Initial Power On
Press the ON button located at the bottom left of the keypad to power on the calculator. The display should illuminate, and the home screen will appear.
Operating Instructions
Basic Operations
The TI-89 Titanium performs standard arithmetic operations. Use the numeric keypad for numbers and the dedicated function keys for addition, subtraction, multiplication, and division.
- Entering Expressions: Type your mathematical expression directly on the entry line.
- Executing Calculations: Press ENTER to evaluate the expression.
- Clearing the Display: Press CLEAR to clear the current entry line or the history.
Graphing Functions
The calculator supports various graphing modes:
- Function Graphing: Press Y= to define functions, then GRAPH to view.
- Parametric Graphing: Access through the MODE menu.
- Polar Graphing: Access through the MODE menu.
- Sequence Graphing: Access through the MODE menu.
- 3-D Graphing: For visualizing three-dimensional functions.
- Differential-Equation Graphing: For plotting solutions to differential equations.
Image: The calculator screen showing a graphical representation of a mathematical function.
Advanced Features
- Symbolic Manipulation: Perform algebraic operations on symbolic expressions.
- Calculus: Compute derivatives, integrals, limits, and series.
- Matrices: Create, edit, and perform operations on matrices (inverse, determinant, transpose, augment, elementary row operations, reduced row echelon form).
- Statistics: Access statistical functions and data plots through the dedicated statistics application.
- Numeric Solver: Solve equations numerically.
- Text Editor: Create and edit text files.
- Programming Capabilities: Write custom applications using the Program Editor.
- Tables: Generate tables of function values.
- Split-Screen Function: View multiple applications or data simultaneously.
- Constants and Measurement Units: Utilize a library of physical constants and convert between units.
Preloaded Applications
The TI-89 Titanium comes with several preloaded applications to enhance functionality:
- Calendar
- CellSheet
- Contacts
- EE Pro (Electrical Engineering Professional)
- Finance
- NoteFolio
- Planner
- Polynomial Root Finder
- Simultaneous Equation Solver
- Statistics with List Editor
- StudyCards
- Symbolic Math Guide
- Tasks
Connectivity
The TI-89 Titanium features connectivity options for data transfer and linking with other devices.
- USB Port: A built-in USB port allows connection to a computer for data transfer, software updates, and sharing files. Use the provided USB computer cable.
- Unit-to-Unit Cable: The included USB unit-to-unit cable enables sharing data and programs between two TI-89 Titanium calculators or with TI-92 series calculators.
- I/O Port: An input/output port is available for connecting to accessories such as the CBL 2 system, CBR 2 motion sensor, Vernier EasyLink, and Vernier EasyTemp systems for real-world data collection and analysis.
Image: A close-up view of the TI-89 Titanium's USB port and I/O port, located on the top edge of the calculator.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the calculator's exterior. Avoid abrasive cleaners or solvents.
- Protection: Always use the included hard slide cover to protect the screen and keypad from scratches and impacts when not in use or during transport.
- Storage: Store the calculator in a cool, dry place. Remove batteries if storing for extended periods to prevent leakage.
Image: The TI-89 Titanium calculator with its black protective slide cover positioned next to it, demonstrating its use for protection.
Troubleshooting
- Calculator Not Turning On: Check battery installation and ensure batteries are fresh.
- Display Issues: Adjust the display contrast using the appropriate key combination (refer to the quick reference card). If the display remains blank, try replacing batteries.
- Software Updates: The TI-89 Titanium features flash technology, allowing for software upgrades. Connect the calculator to a computer via USB and visit the Texas Instruments website for the latest software versions and update instructions.
- Resetting the Calculator: If the calculator becomes unresponsive, a soft reset can often resolve the issue. Refer to the quick reference card or the official Texas Instruments support documentation for specific reset procedures.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 89T/TBL/1L1/D |
| Display | 100 x 160 pixel LCD |
| RAM | 188 KB |
| Flash Memory | 2.7 MB |
| Power Source | 4 AAA batteries |
| Dimensions | 7.5 x 3.3 x 0.1 inches |
| Weight | 10.2 ounces |
| Connectivity | USB port, I/O port |
| Material | Plastic |
Warranty and Support
Warranty Information
The Texas Instruments TI-89 Titanium Graphing Calculator is backed by a 1-year limited warranty. For detailed warranty terms and conditions, please refer to the documentation included with your product or visit the official Texas Instruments website.
Customer Support
For additional assistance, technical support, or to download the full user manual, please visit the official Texas Instruments support website. You can also refer to the User Manual (PDF) for more in-depth information.
