Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
May 19, 2011 Model TI-36X Pro features selectable numeric equation, polynomial, and system of linear equation problem solvers. Battery and solar cell powered unit stores real numbers and complex numbers to 1 of 7 memory variables, and includes MathPrint(TM) capability that displays math expressions, symbols, and stacked fractions in same formats as textbooks. Included MultiView(TM) display simultaneously renders input and output calculations on 4-char LCD that supports 16 characters/line.

Calculated Industries, Inc.    Carson City, NV 89706
Sep 23, 2010 Designed for machinists, setters, tool-and-die makers, and small to mid-sized shop owners, Machinist Calc and Machinist Calc Pro are dedicated math and reference tools that eliminate wasted steps and minimize machine-tool wear. Dedicated functions include built-in drill and thread size tables, drill point cut depth solutions, cutting speed, spindle speed, feed rate, and cutting feed. Units also offer bolt pattern hole layouts, right triangle math, and trigonometric solutions.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Apr 28, 2010 Designed to help students take active role in learning, TI-Nspire(TM) includes touchpad keypad with feel of laptop computer touchpad, alpha keyboard that facilitates text creation, and scratchpad feature that lets users perform quick calculations without opening file. Calculator can show math problems 4 ways simultaneously on single screen as graph, table, equation, and text problem. Dynamically linked representations all update each time one part of problem is changed.

Calculated Industries, Inc.    Carson City, NV 89706
Apr 16, 2010 Scale Master® Digital Plan Measures include Scale Master Pro, with 72 built-in scales and 6 custom scales, and Scale Master Pro XE, which has 91 built-in scales and 10 custom scales that support Imperial and metric units. Both devices simplify acquisition of linear, area, and volume takeoffs from blueprints, plans, maps, and out-of-scale drawings. They feature dual displays and slip-resistant grips and are suited for right- and left-handed users.

Calculated Industries, Inc.    Carson City, NV 89706
Sep 08, 2009 Able to work with feet-inch fractions, Pipe Trades Pro(TM) and PlumbingCalc(TM) Pro include built-in reference tables for various pipe types, materials, and sizes of pipes. Both facilitate dealing with range of conversions and calculations and also include built-in right-angle math and pressure drop for any pipe size, type, or distance. Additionally, Pipe Trades Pro solves rolling offsets as well as parallel pipe cutbacks and has functions for advanced math.

Taylor Tools    Denver, CO 80239
Jan 16, 2009 Developed exclusively for use with Taylor CaCl Test Kits, pocket-sized slide calculator determines Calcium Chloride concrete moisture emissions. By aligning number of hours exposed with gain in weight, calculator immediately yields pounds of moisture emitted over 1,000 sq ft in 24 hours.

UltimaCalc    Powys LD3 8AH  United Kingdom
Sep 17, 2008 Comprised of various tools for scientists and engineers, UltimaCalc accepts mathematical expressions as plain text, evaluates them, and logs results to file. Calculations are performed to 38-digit precision in various formats, and results can also be viewed in hexadecimal format or approximated as various ratios. Along with engineering mode, software offers algebra module that manipulates algebraic expressions, handles complex numbers and operations on matrices, and performs calculus.

LeoKrut    Arlington, MA 02474
Jul 27, 2007 Run under Windows 95/98/NT 4.x/2000/XP/2003, LeoCalculator v2.5 provides users with application for performing calculation of mathematical expressions that could include basic operations as well as those with functions and brackets. Edit box, Expression, has to contain string of mathematical expressions that is supposed to be calculated. Arguments of functions have to be expression surrounded brackets, and variables can be declared and edited separately from formula.

ViewPlus Technologies, Inc.    Corvallis, OR 97333
Apr 07, 2006 Operating on flexible Windows platform, Audio Graphing Calculator v2.0 provides functionality of handheld scientific calculator and offers audio as well as tactile feedback. Features include advanced matrix functions, expression evaluator, and ability to locate polar coordinates. Along with multi-graph display capabilities, software offers speaking menus, scalable visual display, and ability to describe graph shape through audio tones and cues.

GEI International, Inc.    Syracuse, NY 13217 6849
Nov 04, 2005 Able to be used in photo-typesetting applications, CNF-1307 enables users to determine how much copy is required for specified type size and space, what size type is required to fill space with specified copy, and how much space is required for specified copy and type size. Scales on slide ruler copy fitting calculator include Points, Picas, Elite, Point Sizes, Lines, Number of Words, and Number of Characters. Scales on edges may be used as ruler for direct measuring.

XoYo Software    Tianjin 300160  China
Sep 29, 2005 CalculatorX v1.2 calculates expressions with arithmetic, logic, bitwise, and relation operations as well as system constants and built-in functions. Software also supports custom variables, functions, and note-line. Along with ability to use binary, octal, decimal, and hexadecimal numbers at same time in same expression, calculator can extend itself by using custom functions. It offers Simulate the Exact Value as well as Auto Round operations.

Control Company    Friendswood, TX 77546
May 16, 2005 Calculator performs science, math, common/hyperbolic trigonometric, logs/natural logs, powers, roots, reciprocals, factorials, percentages, hexadecimals, random number generation, and degree/decimal conversion. Statistical features include standard deviation, mean, sum of squares, and sum of data. Three-key memory and Forever Memory store data when unit is off, and powerdown function conserves battery life. Answers are shown on 10-digit numerical, 2-digit exponent display.

GEI International, Inc.    Syracuse, NY 13217 6849
Jun 07, 2004 Slide-rule Model CNF-1307 has scales on edges for direct measurement of points, picas, elite, point sizes, lines, number of words, and number of characters. Copy fitting calculator helps users determine how much copy is required for specified type size and space, what size type is required to fill space with specified copy, and how much space is required for specified copy and type size. Manufactured from laminated plastic, instrument measures 9.75 x 3.25 in.