what you are looking at Is a brand new Texas Instruments TI-84 Plus Graphing Calculator Product Features: Graphing calculator handles calculus, engineering, trigonometric, and financial functions USB on-the-go technology for file sharing with other calculators and connecting to PCs 11 apps preloaded Displays graphs and tables on split screen to trace graph while scrolling through table values Backed by 1-year warranty Product Specifications: Alpha keys: Yes Display: 8-line by 16-character; horizontal and split screen options Functions: Normal, Student-t, Chi-square, Binomial, Poisson, Time-Value-of-Money (TVM), cash flows, and amortization RAM: 24 KB Flash ROM: 480 KB Applications: Cabri Jr., CBL/CBR, Conic Graphing, Inequality Graphing, Probability Simulations, Science Tools, StudyCards, TimeSpan, Topics in Algebra 1, Chapter 5, Topics in Algebra 1, Chapters 1-4, Transformation Graphing Numbers: Real and complex, 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 simultaneously Zoom: 14 interactive Statistics: logistic, sinusoidal, median-median, linear, logarithmic, exponential, power, quadratic polynomial, cubic polynomial, quartic polynomial regression, 9 hypothesis testing functions, 6 confidence interval functions, and one-way analysis of variance Calculus function: Yes Engineering functions: Yes Equation solving: Yes Financial functions: Yes Graphic functions: Yes Split screens: Yes Hyperbolic functions: Yes Logarithm functions: Yes Regression analysis: Yes Trigonometry functis: Yes Matrices: Up to 10, 50 x 50; matrix operations including inverse, determinant, transpose, augment, reduced row echelon form, and elementary row operations; convert matrices to lists and vice-versa Automatic shutoff: Yes Package dimensions: 7.0" W x 10.25" L x 2.09" H What's in the box : TI-84 Plus with pre-programmed apps Slide case TI connectivity/USB cable 2 battery User's guide Warranty card NOTE: THE PACKAGE ITSELF HAS BEEN PARTIALLY OPENED-THE UNIT AND ALL CONTENTS HAS NEVER BEEN REMOVED FROM THE PACKAGE. THE ONE IN THE PHOTO IS THE ACTUAL ONE YOU SHALL RECEIVE. THIS IS NOT A RECONDITIONED,OR REMANUFACTORED OR A RETURNED ITEM. WE ONLY ACCEPT PAYPAL , OR A POSTAL MONEY ORDER (from the post office)..When paying by paypal your item will be shipped to the confirmed address on that paypal account. IF MAILING PAYMENT LOOK AT THE BOTTOM OF THE INVOICE PLEASE CHECK OUT MY FEEDBACK AND BID WITH CONFIDENCE THE SHIPPING WILL BE FREE Shipping it to any of the lower 48 Continental United States