Cheap Calculator Discount Calculator

Texas Instruments TI-89 Advanced Graphing Calculator MODEL- TI89GRAPHICS DESC.-TEXAS INSTRUMENTS GRAPHING CALCULATOR FEATURES- * Electronic upgradability of software including maintenance and feature upgrades. * Advanced Mathematics Software functionality suitable for college mathematics and engineering coursework. * Symbolic manipulation for algebra and calculus. * Pretty Print shows equations and results with radical notation, stacked fractions, and superscript exponents. * Real and complex results. * Active home history screen can hold up to 99 previous equations for deep recall. * About 180K bytes of user-available RAM (memory). * 384K bytes of user-available Flash memory in the form of user data archive. * Graphs functions, parametric equations, polar equations, recursively -defined sequences, 3-dimensional surfaces, and differential equations. * Shows numeric evaluation of functions in table format. * Slope and direction fields for exploring differential equations. * Interactive analysis of function values, roots, maximums, minimums, integrals, derivatives, intersections, inflection points, and arc lengths. * Exact symbolic solutions to many 1st- and 2nd- order ordinary differential equations. * RK and Euler numeric differential equation solving methods. * Real time rotation of 3D surfaces. * View contour levels and implicit pl
Customer Review: This is a Platinum!!!
This is a great calculator, especially for anyone taking caluculus courses or anything from there on. This has helped me through highschool all the way to college, great product and very reliable. HOWEVER, beware, this is NOT the regular TI-89, this is the Platinum version. I just ordered it thinking I would get the old version because I like the colors and design better (easier to read buttons), and the titanium version arrived yesterday. I dont think it is fair at all, considering I paid extra to get the old version, and from what I’ve seen, I threw away money by thinking that the product description was true… You might as well look for the titanium and buy that, save the extra money…FIVE stars for the calculator, ONE star to amazon for generating all this confusion….

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This entry was posted on Thursday, July 24th, 2008 at 3:35 pm and is filed under Calculators, Graphing Calculator, Texas Instruments.You can follow any responses to this entry through the RSS 2.0 feed.You can leave a response, or trackback from your own site.