Metric calculator features a large LCD 10-digit display and three-key memory with change sign, square root and percent keys. Perform fractional calculations as well as 44 built-in metric and fraction conversions. Convert weight, measurement, volume and temperature applications. Twin-power operation automatically switches from solar cells to battery power in low light. Calculator includes a stylish metal case with compact protective wallet case.

The TI-83 Plus is an easy-to-use graphing calculator for math and science. Ideal for algebra through pre-calculus, plus powerful statistics and finance features. Offers flash technology to upgrade. Financial functions include TVM, cash flows, amortization, and complex numbers. Enhanced data analysis includes logistic and sine regressions. Graphs 10 rectangular functions, six parametric expressions, six polar expressions, and three recursively defined sequences. I/O port with unit-to-unit link cable (included). Offers large 64 x 96 pixel, 8 x 16 display; 24KB of RAM; and 160KB Flash ROM memory for data archive and storage of Apps. Applications can be computer stored for later use or linked unit-to-unit. Calculator is powered by included four AAA batteries with a lithium battery backup to protect RAM memory during main battery change.

12-digit heavy-duty printing calculator features an extra-large, fluorescent tube display and a high-speed, two-color ribbon printing. Print 4.8 lines per second with positive numbers in black and negative numbers in red. Plain paper roll is 2-1/4" (57mm) wide. Quick reference guide briefs you on main functions or address book information. Functions include time calculation, average, one-touch tax calculation, clock/calendar, cost/sell/margin calculation, sign change, item count, memory, grand total, round-up/off/down, shift key, and 0, 00, 000 keys. Decimal point positions include add mode, 0, 2, 3, 4, 6, and floating. Calculator runs on AC power and shuts off automatically after seven minutes.

10-digit, professional calculator features an extra-large LCD to clearly display characters and prevent reading errors. Durable plastic keys are appropriately spaced for fast and accurate data entry. Twin-power operation runs on solar energy with a battery backup to provide consistent, reliable performance in any environment. Other functions include automatic tax keys, four-key independent memory, extra-large plus key, percent key, automatic power down and more. Pocket-size calculator is perfect for business professionals on-the-go.

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Mini Desktop Calculator features an antimicrobial agent that reduces the growth of microbes and bacteria that may cause odors or discoloration. Design features a large angled, 10-digit display that is easy to read. Automatic Tax Keys calculate the tax amount to be added or subtracted to the original price. Other functions include cost/sell/margin keys, percent key, square root, change sign, and three-key independent memory. Dual-powered calculator runs on solar power with battery backup. AG13 battery is included and replaceable. Eco-friendly calculator is manufactured with post-industrial recycled plastic.

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8-digit handheld calculator features 16-digit approximations, large easy-to-read display, metal facing, and three-digit comma markers. Functions include independent memory, square root key, constants, profit margin, percent and change sign. Calculator uses solar power with battery backup. Calculator weighs 6 oz.

Desktop Calculator. Feature Packed, Value Priced, Super fast, 2.7 LPS 2 color ink roller print/display, 12 digit, large LCD display, independent memory, automatic tax keys +/-, grand total calculation and time/date feature .

Ideal for professional users, 12-digit desktop calculator is equipped with advanced functions, wide design, durable double-injection keytops and tilt-adjustable LCD. Functions include tax calculation, business calculation, grand total key, sign change, decimal point (+, 4, 3, 2, 0, F), rounding, shift key and backspace key. Calculator also features a protective metal plate. Dual-power calculator automatically powers off after use and runs on solar and battery power.