Description: Casio has packed graphing power into a compact, affordable unit.MODEL- fx-7400g PLUS DESC.- CASIO INC. Calculator FEATURES- Graphing Calculator * 13 character x 6 line display shows graphs or complex, multi-line calculations in a single view. On-screen, icon-driven menu provides easy access to advanced functions. * Set the viewing window manually or automatically. * Advanced graphing functions let you zoom in for detailed analysis, trace and read the xy coordinates, and plot individual points. * Fraction key allows entry and calculation of fractions. Converts between mixed and improper fractions and converts fractions to their decimal equivalents. * Powerful graphing capabilities include rectangular inequality, parametric graphs, simultaneous drawing of multiple graphs, pie charts, bar graphs, broken diagrams and stacked bar graphs. * Advanced graph analysis tools include zoom, box zoom, trace, plot, line, shading, and overwrite. * 8 KB memory allows storage of user-defined programs and formulas. * Instant replay key recalls your last entry. * Many built-in mathematics functions, including fractions, standard deviation, regression analysis, and base arithmetic. * Communications port for linking to a personal computer, another fx-7400G Plus or the Casio Data Analysis Device. * Battery back-up protects stored information. * Automatic power shut-off. * Hard, plastic, round-cornered keys are tamperproof. * Includes slide-on hard case. * Suggested Courses Include: Pre-Algebra, Algebra I and II, and Trigonometry.