Texas Instruments TI-84 Plus

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. 14 interactive zoom features. Numeric evaluations given in table format for all graphing modes. Interactive analysis of function values, roots, maximums, minimums, integrals, and derivatives. 7 different graph styles for differentiating the look of each graph drawn. Horizontal and vertical split- screen options. 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 9 hypothesis testing functions, 6 confidence interval functions, and one-way analysis of variance..Features: 200+ functions, multi-line display. Product information Item Weight‎14 ouncesASIN‎B07HG3WGVYItem model number‎TI84PLUS-crBatteries‎1 CR2 batteries required. (included)Customer Reviews4.6 out of 5 stars 545ReviewsBest Sellers Rank #201 in Amazon Renewed (See Top 100 in Amazon Renewed) #1 in Renewed Office Products #5 in Graphing Office Calculators Is Discontinued By Manufacturer‎NoDate First Available‎September 18, 2018Number of Batteries‎1 CR2 batteries required. (included)Model Name‎ti-84Material‎graphingProduct Dimensions‎7.8"L x 6.06"WDisplay Type‎LCDUPC‎748926585576 723548590351Manufacturer‎Texas Instruments