TI-84 Plus calculator with graphing capabilities. - Model: TI-84 Plus - Brand: Texas Instruments - Size: 7.9 inches (20 cm) - Features: Graphing function, mathematical function calculation Real and complex numbers calculated to 14-digit precision, displayed with 10-digit and 2-digit exponents. Graphs 10 rectangular functions, 6 parametric, 6 polar representations, and 3 recursively defined sequences. Up to 10 graph functions can be defined, saved, graphed, and analyzed simultaneously. Sequence graph mode displays time series plots, spider web/staircase plots, and phase plots. User-defined list names. Lists store up to 999 elements. 14 interactive zoom functions. Numerical evaluation in tabular form in all graph modes. Interactive analysis of function values, roots, maximums, minimums, integrals, and derivatives. 7 different graph styles to distinguish the appearance of each drawn graph. Horizontal and vertical split-screen options. Up to 10 50x50 matrices can be stored. Matrix operations including inverse, determinant, transpose, augmented, reduced row echelon form, and minor column operations. Converts matrices to lists. List-based 1 and 2 variable statistical analysis. Includes logistic, sine, median, linear, logarithmic, exponential, power, quadratic polynomial, cubic polynomial, and English polynomial regression models. 3 statistical plot definitions: scatter plots, Xy-line plots, histograms, regular and modified box and whisker plots, and normal probability plots. Advanced statistical functions including 9 hypothesis testing functions, 6 confidence interval functions, and one-way analysis of variance. Features: 200+ functions, multi-line display. Thank you for viewing. Unused, new condition.