Revision: 349e289
Texas Instruments
Product ID: 711208 | Mfg Part #: TI-89
$156.95
Retail $190.00
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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.

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

Additional Information:

  • Contains about 188K user-available RAM and 384K of user data archive for storing functions, programs, and data

  • The CAS built into the TI-89 allows you to evaluate mathematical expressions symbolically or numerically

  • Split screens allows you to view 2 applications at the same time

  • The TI-89 Advanced Mathematics Software is identical to the TI-92 Plus Advanced Mathematics Software without the Geometry application

  • The TI-89 ViewScreen calculators work with the TI-92 ViewScreen panels

  • Link with other TI-89 or TI-92 Plus handhelds, CBL and CBR data collection devices, and computers

  • Electronic upgradability of operating system including maintenance and feature upgrades

  • Pretty Print shows equations and results with radical notation, stacked fractions, and superscript exponents

  • Active Calculator Home history screen can hold up to 99 previous entries for deep recall

  • Optional assembly language programming

  • Command catalog screen to access and show "help" information for each function and command

  • Memory management to create folders for specific applications or subjects

  • 255 symbols in the character set including Greek, system, and international characters

  • Compatible with Calculator-Based Laboratory (CBL2) and Calculator-Based Ranger (CBR) Systems to allow analysis of real-world data