Limited Supply as of January 26th
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:
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Real and complex numeric results
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Symbolic manipulation for algebra, calculus and differential equations
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Numeric evaluation of functions in tables and data variable format
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Interactive analysis of function values, roots, maximums, minimums, integrals, derivatives, intersections, inflection points, and arc lengths
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Recursively-defined sequences access any number of previous terms
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Slope and direction fields for exploring differential equations
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List-based one- and two-variable statistical analysis, including eight regression models
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Statistics plots including scatter, xy-line, box and modified box plots
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Histograms and regression lines
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Matrix operations including inverse, determinant, transpose, augment, elementary row operations, and reduced row echelon form
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Matrix elements can be real or complex and numeric or symbolic
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Column-logic expressions in data/matrix editor are retained for automatic recalculation when values change
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Hexadecimal and binary operations and conversions
Differential Equations:
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Exact symbolic solutions of many 1st- and 2nd-order ordinary differential equations
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Solve single or systems of differential equations using Euler or Runga Kutta methods
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Graph slope fields or direction fields
Linear Algebra:
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Eigenvalues
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Eigenvectors
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Functions of matrices (like e A)
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LU or QR decompositions
3-D Rotation and Contour Plots:
- Real-time rotation of 3-D surfaces and contour graphs
Units of Measure:
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Use units in equations, symbolic computations, and unit conversions
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Select from 20 constants and over 100 units
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Create and store your own custom units
Systems of Equations:
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Solve systems of linear and nonlinear equations
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Display results in general or matrix formats
Programming
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Custom menus
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Dialog boxes
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Pop-up windows
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User-defined functions extend built-in functionality
Graph
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Parametric and polar equations
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Recursively-defined sequences
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3-Dimensional surfaces
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Differential equations
Additional Information:
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Contains about 188K user-available RAM and 384K of user data archive for storing functions, programs, and data
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The CAS built into the TI-89 allows you to evaluate mathematical expressions symbolically or numerically
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Split screens allows you to view 2 applications at the same time
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The TI-89 Advanced Mathematics Software is identical to the TI-92 Plus Advanced Mathematics Software without the Geometry application
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The TI-89 ViewScreen calculators work with the TI-92 ViewScreen panels
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Link with other TI-89 or TI-92 Plus handhelds, CBL and CBR data collection devices, and computers
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Electronic upgradability of operating system including maintenance and feature upgrades
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Pretty Print shows equations and results with radical notation, stacked fractions, and superscript exponents
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Active Calculator Home history screen can hold up to 99 previous entries for deep recall
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Optional assembly language programming
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Command catalog screen to access and show "help" information for each function and command
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Memory management to create folders for specific applications or subjects
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255 symbols in the character set including Greek, system, and international characters
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Compatible with Calculator-Based Laboratory (CBL2) and Calculator-Based Ranger (CBR) Systems to allow analysis of real-world data