NEW LISTING 12/12/08 (Click on above thumbnails to enlarge photos)  warranty PRE-OWNED TEXAS INSTRUMENTS ELECTRONIC GRAPHING CALCULATOR       TI-82 TI82 MADE IN TAIWAN R.O.C. Originally Marketed in 1993 for sale Pre-Owned TI-82 Graphing Calculator. More 'user friendly' than the TI-85. Great Graphing calculator for 'middle school' and 'high school' students enrolled in Algebra and Calculus classes. Features: - 6 MHz Zilog Z80 microprocessor - 28K RAM - 8 Rows x 16 Characters / 96x64 pixel display LCD display screen / readout - Graphical analysis. Find function values, roots, intersections, maximums, minimums, derivatives, and integrals. Analyze a graph interactively while viewing 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 5 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. - 4x AAA batteries + 1x CR1616 lithium batteries This calculator is used with normal wear and works great. The battery contacts are very clean and shiny with no corrosion. The LCD screen / readout and number pads look brand new. The backside label is complete and has all of its original lettering intact. The display plastic has zero scratches. 4x AAA batteries + 1x CR1616 lithium battery for memory backup (included). Includes our 90 day limited warranty! Texas Instruments TI-82 PRE-OWNED - $49.99 3 Available

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