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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: www.ti.com

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

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