Texas Instruments TI-89 Graphing Calculator Comparison

Battery|4 x AAA

Graphing Calculator

1 Year Limited

Manufacturer Link

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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

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