Financial calculator includes more than 120 built-in functions and allows 20 different cash flows for internal rate of return and net present values. Calculate loan and mortgage payments, convert interest rates, and figure bond prices and yields. RPN keystrokes optimize data entry and calculation performance. Program up to 99 keystrokes into memory and then execute with the push of a single button. Other functions include depreciation, percent change, cumulative statistical analysis, standard deviation, mean, weighted mean, linear regression, forecasting, correlation coefficient, date arithmetic, undo, backspace keys, and power off memory protection. Calculator has a 1 line x 10 character, liquid crystal display (LCD). The enclosure material is made of plastic and brush aluminum, and the keytops are made of plastic. Calculator includes a battery (CR2032) to power the unit and a synthetic leather pouch.

Printing calculator features super-large, 12-digit display, fast 2.7 lines per second, built-in metal paper arm. Enter two cost/sell/margin variables and the third appears and prints. Includes tax +/- keys, grand total key, sigma switch, delta percent, percent key, change sign key, four-key memory, date/non-add key. Ac/Dc powered. Ac adapter included. Four AA batteries sold separately.

10-Digit Scientific Calculator is ideal for general math, pre-algebra, algebra 1 and 2, trigonometry and biology. Performs trigonometric functions, logarithms, roots, powers, reciprocals, and factorials. One-variable statistics include results for mean and standard deviation. Calculator also adds, subtracts, multiplies, and divides fractions entered in traditional numerator/denominator format. Conversions include fractions/decimals, degrees/radians/grads, DMS/decimal/degrees, and polar/rectangular. Battery-powered calculator includes slide case.

Calculator provides advanced graphing for calculus, AP courses and university studies. Permitted for use on many state and standardized tests. Includes official AP calculus review questions on the enclosed product CD. Graphs functions, parametric and polar equations, recursively-defined sequences, three-dimensional surfaces, and differential equations. Includes EE*Pro App for electrical engineering. Icon desktop allows easier access to Apps and editors. Includes USB unit-to-unit link cable and TI Connectivity Cable. Offers 188K bytes of user-available RAM, 2.7MB of user-available Flash ROM for data archive and Apps, 100 x 160 pixel display, internal clock with date and time display, 99 graphing equations, 20 stored constants with symbolic units for scientific calculations, and 100 symbolic units in 28 categories for use in equations, computations, and unit conversions. Powered by four AAA batteries with a Silver Oxide battery backup to protect RAM memory during main battery change.

12-digit printing calculator offers antimicrobial protection that reduces growth of microbes and bacteria that can cause discoloration and odors. Print 3 lines per second in two colors. Calculator generates large print on paper tape. Design features a fluorescent display, large well-spaced contoured keys, built-in metal paper arm and PC touch keyboard. Functions include cost/sell/margin; tax +/- keys; delta percent of change key; four-key independent memory; change sign; percent; grand total; date/nonadd; backspace and sigma keys; item count and automatic constants. Print or display time and date. Calculator runs on AC power and includes an AC adapter.

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12-digit calculator features antimicrobial protection to reduce growth of microbes and bacteria that may cause odors or discoloration. Prints 2.7 lines per second in two colors and prints time and date. Offers a liquid crystal display (LCD) with 19mm height, and built-in metal paper arm. Functions include cost/sell/margin; time/date; tax +/- keys; grand total; sigma switch; delta percent; percent; change sign; four-key memory; and date/nonadd. Weighs 1.2 lb. AC/DC powered. Includes AC adapter. Uses four AA batteries (sold separately).

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Scientific calculator performs more than 530 scientific functions and features WriteView Technology. With WriteView, the four-line display and multi-line playback that displays formulas as written in textbooks to make equations easier to solve. It is ideal for general math, algebra, geometry, trigonometry, statistics, biology, chemistry and general science. Modes include normal, stat, drill, complex, matrix, list and equation. Calculator includes four programmable keys and ability to solve three simultaneous equations. The hard slide cover protects the calculator so it can withstand frequent use. Twin-power calculator runs on solar power and battery power.

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Professional, semi-desktop calculator features a sleek, glass-top design and an extra-large, 8-digit slant LCD with punctuation for easy viewing. Twin-power solar operation automatically switches from solar to battery power in low light. Four-key memory includes memory plus, memory minus, recall memory, and clear memory keys. Other functions include tax calculations, percent key and sign change keys, constant, and currency conversion. Calculator is lead-free and mercury-free.

Printing calculator performs advanced calculations in the palm of your hand and offers a high recycled content. The lower casing is made with a high percentage of recycled plastic. Design also features a 12-digit LCD. Calculator prints 2 lines per second in two colors (ink roller). Positive numbers print in purple, and red numbers are in red. Built-in, low-battery indicator alerts you when it's time to replace the batteries to ensure you never lose your important data. Functions include profit margin calculation, time calculation, tax calculation, rounding, sign change, memory, and decimal positions in 0, 2, 3, 4, A, and floating. Time calculations enable you to analyze time-based fee structures, while the profit margins can be computed with the touch of a few keys. Calculator shuts off after 7 minutes of nonuse and runs on AC/DC power (batteries included).