Rapid-Pi
Rapid-Pi is an add-on for Microsoft Word (and other word processors) that will transform the way you enter mathematical formulae, equations and expressions into documents. Rapid-Pi was designed with a single purpose in mind - to save you time when editing math in documents. ... Inserting a Rapid-Pi equation is easy - just click on the Rapid-Pi button on Microsoft Word's toolbar (toolbar button is currently only provided for Microsoft Word 2000 and later). ... This means that you will continue to use your favorite word processor, inserting Rapid-Pi equations into your document whenever you...
http://www.rapid-pi.com/downloads/Rapid-Pi-Setup.exe - 3Mb - Download - Screenshot

Universal Scientific Calculator
A Super Calculator, many maths functions, charts, 20 educational and ludic games. Math Functions: sin, cos, tan, asin, acos, atan, x2, 1/x, root, %, log, exp, pi, hyperbolic x^y, secant, asec, cotang. Factorization. Financal: expiries, capital, rate, currencies... ... Pi decimals (10000), Chaotic Pendule simulation, Solar System Simulation, other games (invaders, blocs, balls, billard, ... ... Amounts in letters... ... Conversions of units (weight, distances, powers, temperatures, etc... ... Planets ephemerids, Jupiter Satellites, Triangle Geometry (Euler and Simson lines, ...
http://www.1dustrie.com/calc.msi - 6Mb - Download - Screenshot

Calculator Prompter
Calculator Prompter is a math expression calculator. You can evaluate expressions like sin(cos(tan(pi)))#2%10^3 Calculator Prompter has a built-in error recognition system that helps you get correct results: - Paste operator here; - Paste number here; - Missing '('; - Missing ')'; -... It has a simple and easy-to-use interface. ... It is free calculator software. ... Try it now. ... It support standard functions and constants. ... You can use Calculator to perform any of the standard operations for which you would normally use a handheld calculator.
http://www.softaddress.com/math_calculator/download.php - 256Kb - Download - Screenshot

010 Memorizer
010 Memorizer is a powerful program for memorizing numbers. The system works by associating a number with a word or a phrase that creates a vivid image in your mind. The conversion between numbers and words is done by phonetics: certain consonant sounds represent numbers and vowels act as fillers. ... Use 010 Memorizer to memorize phone numbers, passwords, PINs, zip codes, addresses, bible verse references, dates, times, IP addresses, credit card numbers, atomic numbers, Pi, etc. ... 010 Memorizer features a large, fully configurable phonetic dictionary, a customizable mapping algorithm,...
http://www.sweetscape.com/download/010mem10.exe - 1Mb - Download - Screenshot

RF ToolBox
RF Toolbox is an antenna design and electronics/electrical tool package. It takes you step by step through the design of the following types of antennas: Dipole Fat Dipole Yagi J-Pole Super J-Pole Log Periodic Cubic Quad Vertical helical It also performs the following calculations: Transmission... The load impedance can also be calculated from the measured impedance at the line input. ... With the transmission line calculator, you can select the type of line, length, operating frequency, and calculate the losses, as well as the SWR and losses from SWR due to impedance mismatch.
http://www.blackcatsystems.com/download/RFToolbox.zip - 400Kb - Download - Screenshot

HiDigit
HiDigit is a new calculating software with extended capabilities. This is an essential application for math, algebra, calculus, geometry, physics and engineering students. The main advantage of the software is a simple input format even for the most complicated formulas. ... For example, you can enter 10pi instead of "10*pi". ... The compact size of the software does not hinder the performance. ... The interface is straightforward and very easy to navigate through. ... No special skills or knowledge are required.
http://www.binarythings.com/hidigit/hidigit.exe - 1Mb - Download - Screenshot

PixelProstate
The cancer area of the prostate is outlined on the histological slide. Using pathologist's visual memory an identical tumour area is painted with the mouse on the virtual slide. Total prostate volume is calculated using the ellipsoidal method: 4/3 x pi x (length/2 x width/2 x height/2). ... All the digitized material can be saved using strong encryption for later usage e. ... A report can be produced containing a summary of the calculations and 3D pictures. ... g. ... No camera or other special equipment is needed.
http://www.nickels.fi/pikseliprostata/pixelprostate_trial_setup.exe - 2Mb - Download - Screenshot

DB Calc for Windows
Scientific calculator and function plotter. 10 constant memories, 1 cumulating memory. Nearly unlimited nesting of parenthesis. Automatic bracket completion Decimal, hexadecimal and binary entering and display. Precision adjustable. Recall of expressions already calculated. ... Square, reciprocal, square and cubic roots, roots with random exponent, Powers to basis e, 10 and random basis, natural and common logarithm, trigonometric functions, hyperbolic functions, Numerical integration, constant Pi, signum function, step function, Integer function, absolute value, min/max function.
http://www.dirkbilland.de/DBCalc/dbwinc32e.exe - 1Mb - Download - Screenshot

CalculatorX
CalculatorX is an enhanced expression calculator. It can evaluate an expression for one time. You can use Arithmetic, Logic, Bitwise and Relation operations in your expression. And many system constants and built-in functions can also be used in the expression. ... Here is just a short list of CalculatorX's major features: - Arithmetic operation - Logic and Bitwise operation - Relation operation - Built-In Functions - Constant support, such as PI, E, TRUE, FALSE etc. ... CalculatorX is powerful, but it is very easy to use.
http://www.xoyosoft.com/cx/download/CalcX.zip - 1Mb - Download - Screenshot

RPN Engineering Calculator
This RPN calculator offers 250 solutions with six unique keypads. It has a complete help system with individual tips for all but the most ordinary functions and a Tip of the Day feature for new users. You can select fixed, scientific or engineering notation and degrees, radians, or grads as... The functions available using any keypad are: STO, save up to 4 numbers into memory, 2 of these storage registers can be used for register arithmetic; Lastx, retrieves the last number that was used; Drop, deletes the number in x-reg and Drops the number in y-reg into x-reg; x y, exchanges the values...
http://www.j-a-associates.com/DnLoads/rpn.zip - 1Mb - Download - Screenshot