Operations/Functionality Add images to graph background 15 colors for function graphing Change style and color of axes and grids on graphs Catalog Syntax Help Alphabetical CATALOG of all TI calculator operations in one menu Advanced functions accessed through pull-down display menus Real and complex numbers calculated to 14-digit accuracy and displayed with 10 digits plus a 2-digit exponent Graphs 10 rectangular functions, 6 parametric expressions, 6 polar expressions, and 3 recursively-defined sequences Up to 10 graphing functions defined, saved, graphed and analyzed at one time Sequence graphing mode shows time series plot, cobweb/stair-step plot and phase plots User-defined list names. Lists store up to 999 elements 17 interactive zoom features Numeric evaluations given in table format for all graphing modes Interactive analysis of function values, roots, maximums, minimums, integrals and derivatives 8 different graph styles for differentiating the look of each graph drawn Horizontal and vertical split- screen options View graph and table side-by-side Stores up to 10 50x50 matrices Matrix operations including inverse, determinant, transpose, augment, reduced row echelon form and elementary row operations. Convert matrices to lists and vice-versa List-based one- and two-variable statistical analysis, including logistic, sinusoidal, median-median, linear, logarithmic, exponential, power, quadratic polynomial, cubic polynomial, and quartic polynomial regression models 3 statistical plot definitions for scatter plots, xy-line plots, histograms, regular and modified box-and-whisker plots, and normal probability plots Advanced statistics features including 10 hypothesis testing functions, 7 confidence interval functions and one-way analysis of variance 15 probability distribution functions including Normal, Student-t, Chi-square, Binomial, and Poisson Business functions including Time-Value-of-Money TVM , cash flows, and amortization. Full screen interactive editor for solving TVM problems Interactive equation solver editor allows solving numerically for different variables in an equation 11 Regression calculations Calculator Features Impact Resistant Cover Calculator Features Date/Time Display Memory Capacity 3 MB Memory Capacity 154 KB Memory Type ROM Memory Type RAM Number of Display Digits 12 Display Screen Size 2.80 Display Screen Type Color Backlit Dot Matrix USB Yes Power Source Battery Battery Included Yes Color Black Limited Warranty 1 Year