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Texas Instruments TI-89 Titanium Graphing Calculator image
(based on 1 ratings)
Brand: Texas Instruments
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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.

Main Features

  • Manufacturer: TEXAS INSTRUMENTS
  • Manufacturer Part Number: TI-89
  • Manufacturer Website Address:
  • Product Type: Graphic Calculator
  • Functions:
  • 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, intersections, 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
  • Eigenvectors
  • Functions of matrices (like e A)
  • LU or QR decompositions
  • 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
  • Programming

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

  • Parametric and polar equations
  • Recursively-defined sequences
  • 3-Dimensional surfaces
  • Differential equations
  • Standard Memory: 500KB RAM, 702KB Flash
  • Power Source: Battery
  • Batteries: 4 x AAA , 1 x Lithium
  • Standard Warranty: 1 Year(s) Limited
  • Review Snapshot®
    Avg. Customer Rating:
    5 stars
    (based on 1 review)

    [0 of 1 customers found this review helpful]

    This is an original TI-89, not Titanium
    By Get it right from CA on 1/9/2010
    Describe Yourself:
    Casual User

    Comments about Texas Instruments Texas Instruments TI-89 Titanium Graphing Calculator:

    This picture is the original TI-89, not the Titanium. It's a great calculator/mini computer. but not the Titanium.

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