TI-Nspire CX II Graphing Calculator, 10-Digit LCD

Advanced statistics analysis, including 10 hypothesis testing functions, seven confidence interval functions and one-way analysis of variance. Eighteen probability distributions functions, including the cumulative distribution function (CDF), probability density function (PDF) and inverse probability distribution function for normal, chi-squared, t-, and F- distributions; and the CDF and PDF for binomial, geometric and Poisson distributions. Three statistical plot definitions for scatter plots, xy-line plots, histograms, regular and modified box-and-whisker plots, and normal probability plots. Function, parametric, polar, sequence and 3D graphing. Multiple graphing functions can be defined, saved, graphed and analyzed at one time. Electronically upgradeable graphing handheld allows you to have the most up-to-date functionality. CAS engine allows you to perform symbolic and numeric calculations. Animated path plot draws graphs in real time for easy visualization. Rechargeable battery eliminates need for frequent battery replacement.