Calculator For Graphing Texas Instruments Ti-82. Product Details 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. Graphing calculator for math and science work Computer connectivity enabled Programming and data collection 8-Line by 16-character display 1-Year warranty Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.