Texas Instruments Texas Instruments TI-89 Graphing Calculator

* 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, intersecions, 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 * Exact symbo...