Texas Instruments TI-81 Graphing Calculator
Posted by: Mr. Cheap Calculator in Calculators, Graphing Calculator, Texas Instruments
Texas Instruments TI-81 Graphing Calculator Customer Review: Does the job but isn’t amazing
You get what you pay for here. I am a cheap college student, and I pay for a cheap calculator. It works wonderfully, but the only thing that is inconvenient for me is the memory this little thing has. If I want to look back to the last equation I put in, it doesn’t remember it, unlike new calculators. But, hey, I am totally satisfied because I only needed it for one semester. It does a lot more than my little casio calculator too. To my knowledge it has the functions as a newer one that typical people might use(of course there are sweet programs from the new ones, but most don’t use those functions anyway). It works well, especially for the price I paid. 
Texas Instruments TI-84 Plus Silver Edition Graphing Calculator With a TI-84 Plus Silver Edition in your backpack, you’ve got real connections. Computer connectivity is fast and easy with this graphing calculator’s built-in, USB On-The-Go technology (cable included). At your fingertips is a suite of 30 preloaded Apps, including Personal Organizer, Periodic Table — even software for Algebra and Geometry. Go figure: the TI-84 Plus Silver Edition offers 9 times the memory and 2.5 times the speed of the TI-83 Plus, along with an improved display and a customizable Start-Up screen. Load it up with snap-on, color faceplates, and you’ll look as fine as your report card. Just so you know: the TI-84 Plus Silver Edition is permitted for use on the SAT* I and II and AP* Calculus, Statistics, Chemistry, and Physics exams, as well as the ACT .
Texas Instruments Profit Manager BA-20 Desktop Calculator Compact desktop use / 10 Digit Display / Cost and Sell with Profit Margin Functions / Digital Clock Preprogrammed functions solve cost-sell-margin problems; enter any two variables and the third appears instantly Percent key speeds computation of add-ons and discounts Square root and Change (+/-) keys Comprehensive and easy-to-read user-guide One-year limited warranty from TI
Texas Instruments TI-92 Plus Graphing Calculator With more power than most of us had in our PCs less than 20 years ago, the TI-92 Plus graphing calculator is the machine of choice for students and engineers both at the desk and on the go. It comes with over 500 KB of memory and software for working through algebra and other mathematic problems quickly and easily.With the TI Graph Link accessory (not included), you can connect to computers and even download software upgrades. Solve linear and nonlinear equations, use the Pretty Print feature to see equations in textbook format, and work with 3-D surface graphs in real time. The QWERTY keyboard is rugged and easy to use, the 128 x 240 screen is easy on the eyes, and the calculator comes with a durable shell to protect its face when you’re traveling or in the field. Additional accessories can turn the TI-92 into a mobile data-collection station, but it’s just as useful at home.
Students beware: Some professors and teachers discourage, or even ban the use of calculators like the TI-92 in their classes, so make sure it’s OK before you buy. Once you’re set, the manual is clear and straightforward–you’ll be programming in no time. Ultrageeks will love the assembly-language option, but the rest of us can get by just fine with the regular interface. The old timers might still cling to their slide rules, but anyone who needs a calculator for school or work can see why the Texas Instruments TI-92 is so popular: Its versatility, power, and portability give you the number-crunching power of a computer no matter where you are. –Rob LightnerPros
Texas Instruments TI34II Calculator The Texas Instruments 34II Explorer Plus Scientific Calculator is designed to help high-school and entry-level college students do their best when doing scientific, statistcal and math computations. Can calculate whole-numbers and fractions Excellent for math, trig, science and simple statistical functions Includes batteries and protective slip-on case
Texas Instruments(R) TI-89 Graphing Calculator Customer Review: still the best
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
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