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TI-89 Titanium
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    The TI-89 Titanium includes all the built in functionality and power of the original TI-89. It has an increased amount of Flash ROM which is now equal to that of the Voyage 200 except the TI-89 Titanium is in a traditional handheld design. Along with the Voyage 200, it is TI's most sophisticated calculator, with such features as 3D graphing, upgradable flash ROM, built-in assembly language programming, and a generous amount of user-available memory. It now includes a mini USB port in addition to the standard I/O port.


    Click for a larger version.



    CPU 12 MHz MC68000
    Memory 256K RAM (188K available to user), 4M Flash ROM (about 2.7M available to user)
    Screen Size 160x100 pixels
    Link Port? Standard I/O & USB Mini Port
    CBL/CBR Support? Yes
    ViewScreen Model Available? Yes
    TI-Presenter Compatible? Yes
    TI Keyboard Compatible? Yes
    TI-Navigator Compatible? Yes


    » Official TI-89 Titanium home page at Texas Instruments
    » TI Connect for the TI-89 Titanium
    » Guide Books from Texas Instruments
    » TI-89 Titanium Manual
    » Bid Specifications
    » Graphing Calculator Comparison
    » TI Online Store


    » TI-89 Titanium FLASH Downloads.
    Download Handheld Software Applications (Apps) from Texas Instruments. These add many features to your TI-89 Titanium including additional language support, StudyCards, text readers and many more.

    » TI-89 Titanium ROM Downloads
    Download ROM updates for your calculator from Texas Instruments. These updates typically fix bugs or optimize features.

    » TI Connect
    The TI Connect is the latest link cable produced by TI. It has a higher data transfer rate than the TI-Graph Link cable. It's a USB cable and lets you transfer data files (such as programs) between your calculator and your computer.

    » TI-Graph Link
    The TI-Graph Link is the older link cable produced by TI. It does not have as high of data transfer rate, but it does work wih almost all calculators. It connects to your serial port and like TI Connect is widely used to transfer data files (such as programs) between your calculator and your computer.


    From time to time, TI will update the internal code of their calculators to work around bugs, optimize functions, and even add features. This results in several versions of each calculator in the marketplace. You can check the ROM version of your TI-89 using the following key sequence and reading the number on your screen:

    [F1] [A]

    Known ROM versions:

    • 3.00
    • 3.01
    • 3.10 (18 July 2005)


    » IR Link
    The IR Link allows you to control infrared devices from your calculator or communicate with other calculators (to play games or chat) over a wireless connection.

    » Link Cables
    Link cables let you transfer data files (such as programs) between your calculator and your computer.

    » Power Extension Page
    The Power Extension instructions will show you how to use AA (instead of AAA) batteries without making any modifications to your calculator.

    » TI-89 Turbo Page
    These modifications to your TI-89 can overclock the calculator to 3-4 times its original speed.

    » TI-89 Titanium Disassembly and Backlighting
    If you'd like to be able to use your TI-89 Titanium in the dark, these modifications will help you install electroluminescent backlighting in your calculator.


    BASIC programming on the TI-89 Titanium is compatible with that of the TI-89, TI-92 and TI-92 Plus and Voyage 200.

    » Tutorials at TI-Freakware
    » TI-Basic Developer


    Assembly language programming capability is built into the TI-89 Titanium. Assembly programs written for the TI-92, TI-92 Plus and Voyage 200 must be modified to support the TI-89.

    For software development, we recommend GCC4TI.

    » Techno-Plaza Programming Lessons
    » Tutorial 89 v0.5 by Skip Jordan
    » _NOSTUB Assembly Programming for the TI-89/92+ by Kevin Kofler
    » Tutorial ASM (fr) by Pascal Martin
    » Tutorial C (fr) by Pascal Martin
    » Tutorials at TI-Freakware
    » WikiTI


    Several emulators are available to let you simulate TI calculators on your computer. To locate available emulators and learn how to download a ROM image from your calculator, see our Emulators page.

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