Useful for high school students. * Offers a built-in USB port, 9x the memory and 2.5x the speed ofthe TI-83 Plus * Already preloaded are 30 softwareApps, including Cabri Jr. for algebra and geometry and Periodic Table for science and chemistry. * Convert matrices to lists and vice-versa. * Build scatter plots, xy-line plots, histograms and probability plots for statistics.