Main Content

Texas Instruments TI-89 Graphing Calculator - 89T/CLM

Abt Model: TI89TITANIUM | UPC: 033317192038
Online Exclusive
Your Price: $135.64
Regular Price: $190.00
Your Shipping Zip Code: Add Location
Why I Bought This
See all buyer comments
  • Product Overview-

    Key Features

    • Flash Technology
    • Add Applications And Additional Functionality
    • Custom Menus
    • 3D Surfaces
    • Battery Powered
    • Silver Finish

    Texas Instruments TI-89 Graphing Calculator, Model TI89TITANIUM

    Essential for 16-18, university and beyond, the TI-89 is the most logical graphing calculator for advanced mathematics studies. Enhanced with Flash technology, this graphing calculator gives you the flexibility to add calculator software applications and additional functionality, providing long-term value. The TI-89 is allowed for use on the AP Calculus, AP Statistics, AP Physics, AP Chemistry, PSAT/NMSQT, SAT I, SAT II Math IC & IIC.



    • Real and complex numeric results
    • Symbolic manipulation for algebra, calculus and differential equations
    • Numeric evaluation of functions in tables and data variable format
    • Interactive analysis of function values, roots, maximums, minimums, integrals, derivatives, intersecions, inflection points, and arc lengths
    • Recursively-defined sequences access any number of previous terms
    • Slope and direction fields for exploring differential equations
    • List-based one- and two-variable statistical analysis, including eight regression models
    • Statistics plots including scatter, xy-line, box, and modified box plots
    • Histograms and regression lines
    • Matrix operations including inverse, determinant, transpose, augment, elementary row operations, and reduced row echelon form
    • Matrix elements can be real or complex and numeric or symbolic
    • Column-logic expressions in data/matrix editor are retained for automatic recalculation when values change
    • Hexadecimal and binary operations and conversions

    Differential Equations

    • Exact symbolic solutions of many 1st- and 2nd-order ordinary differential equations
    • Solve single or systems of differential equations using Euler or Runga Kutta methods
    • Graph slope fields or direction fields

    Linear Algebra

    • Eigenvalues
    • Eignevectors
    • Functions of matrices (like e A)
    • LU or QR decompistions

    3-D Rotation And Contour Plots

    • Real-time rotation of 3-D surfaces and contour graphs

    Units of Measure

    • Use units in equations, symbolic computations, and unit conversions
    • Select from 20 constants and over 100 units
    • Create and store your own custom units

    Systems of Equations

    • Solve systems of linear and nonlinear equations
    • Display results in general or matrix formats


    • Custom menus
    • Dialog boxes
    • Pop-up windows
    • User-defined functions extend built-in functionality


    • Parametric and polar equations
    • Recursively-defined sequences
    • 3-dimensional surfaces
    • Differential equations


    • Memory: 500KB RAM
    • Memory: 702KB Flash
    • Power Source: Battery

    What's In The Box:

    • TI-89 Graphing calculator
    • Unit-to-unit link cable
    • Printed mini guidebook

    Approximate Weight:

    • Shipping: 3 lbs
    California customers: Proposition 65 WARNING
  • From The Manufacturer+

  • Questions & Answers+


Add more to compare

What Our Customers Say About Us

See All Customer Testimonials
  • Delivery was right on time. Very happy to be able to find a microwave that is almost exactly like my old one. This company was a pleasure to deal with.
    April 19, 2020 - Jerry R.
Save more when you shop outlet items.
If you have any questions about this product or need more information, please contact an Abt Sales Specialist: