This calculator comes preloaded with more than a dozen applications, including functionality that encourages exploration of interactive geometry, inequality graphing and real-world data collection and analysis.Details:User-available RAM: 24 KBUser-available flash ROM: 480 KBNumber of batteries: 4 AAA (not included)Manufacturer warranty: 1 YEAR LIMITEDFeatures:Real and complex numbers calculated to 14-digit accuracy and displayed with 10 digits plus a 2-digit exponentGraphs 10 rectangular functions, 6 parametric expressions, 6 polar expressions and 3 recursively-defined sequencesUp to 10 graphing functions defined, saved, graphed and analyzed at one timeSequence graphing mode shows time series plot, cobweb/ stair-step plot and phase plotsLists store up to 999 elementsFunction evaluation table shows numeric evaluation of functions in table formatInteractive analysis of function values, roots, maximums, minimums, integrals and derivativesHorizontal and vertical split-screen optionsMatrix operations including inverse, determinant, transpose, augment, reduced row echelon form and elementary row operations15 probability distribution functions including Normal, Student-t, Chi-square, Binomial and Poisson