Graphing Calculator Made By Texas Instruments, Model Ti-82. Product Description The TI-82 is compatible with TI-GRAPH LINK - your link to connecting your TI-82 to your computer. This software and cable (sold separately) allows for transferring your files and data between the calculator and computer. From the Manufacturer The restyled TI-82 offers a basic set of graphing tools for mathematics and science coursework. The TI-82 is the predecessor to the upgradeable TI-83 Plus. The TI-82 is compatible with TI-GRAPH LINK--your link to connecting your TI-82 to your computer. This software and cable (sold separately) allows for transferring your files and data between the calculator and computer. Enjoy key functionality for math and science: Graphical analysis. Find function values, roots, intersections, maximums, minimums, derivatives, and integrals. Analyze a graph interactively while you view it. Plots. Four plot types including scatter, box-and-whisker, xy-lines, and histograms. Define and store up to three plots from the Stat Plot editor. Data analysis. Choose from eight regression models and four plot types. Available regressions include median-median line and quadratic, cubic, and quartic polynomial regressions. Graph-table split screen. Allows you to trace the graph and scroll table values simultaneously. Matrices. Analyze up to five matrix variables. Size limited only by available memory. Data lists. Store data in lists containing up to 99 elements per list. Tables. View and evaluate function variables in numeric table format. Functions. Define, save, and graph up to 10 rectangular, six parametric, and six polar functions in addition to two recursively-defined sequences. Programming. Includes keystroke programming commands for conditional tests, jumping, and loops. Data collection. This tool is compatible with the CBL 2, CBL, and CBR for collection and analysis of real-world data. Product Features Graphing calculator for math and science work Computer connectivity enabled Programming and data collection 8-Line by 16-character display 1-Year warranty Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!