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  • Complex Grapher is a graphing calculator to create a graph of complex function. 3D function graphs and 2D color maps can be created with this grapher. You can input complex functions in the form of w=f(z) (where z=x+yi) directly before creacting graphs. Graphs can be copied and saved in the format of bitmap.
  • Although many things such as emotion and thought may be difficult to measure, some things are much easier to quantitize. Measurement Converter aids in converting one measurement to another similar measurement. Why people care so much about measurements and coversions still remain a mystery to one such as myself. I am convinced however that there could be a useful purpose for it.
  • CurveFitter program performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called "curve fitting". Quickly Find the Best Equations that Describe Your Data: Curvefitter gives engineers and researchers the power to find the ideal model for even the most complex data, by putting a large number of equations at their fingertips. Curvefitter's built-in library includes a wide array of linear and nonlinear models from simple linear equations to high order polynomials. Curve fitter's state-of-the-art data fitting includes the following capabilities: *A 38-digit precision math emulator for properly fitting high order polynomials and rationals. *A robust fitting capability for nonlinear fitting that effectively copes with out ...
  • The program allows you to solve algebraic equations in the automatic mode. You just enter an equation in any form without any preparatory operations. Step by step Equation Wizard reduces it to a canonical form performing all necessary operations. After that it determines the order of the equation, which can be any - linear, square, cubic or, for instance, of the 7-th power. The program finds the roots of the equation - both real and imaginary.
  • Pulse shaping filter program that finds the pole-zero locations of a transfer function, H(s), for a matched filter. H(s) equals a -desired- signal (Yout) divided by a given input signal (Yin). Both Yout and Yin are functions of frequency. Group delay may also be calculated to compliment a given data set, thus, providing a flat group delay. This is a Fortran Calculus demo application.
  • Alpha Online Currency Converter is a simple currency calculator. It converts about 200 world currencies including USD, Euro, CAD, JPY, etc. Live exchange rates. Manage you favourite currencies. Easy to use cut, copy, paste functions.
  • CalculPro will help your elementary school students practice mental arithmetic or to do fractions. Choose addition, subtraction, multiplication, division or fractions; then set the range of numbers and the number of calculations for an exercise. The program shows you two numbers or fractions respectively, and you enter an answer. Right or wrong answers get audio feedback and there's a pie chart to show your percentage of correct responses.
  • Usually software calculators imitate hardware calculators. It allows Users the ability to quickly start their work with a new program. But with this approach, in regards to the design of software calculators, it inherits all of the defects of hardware calculators. The Extendable Calculator is a different way to approach calculator design. Therefore it does not contain any of the design defects, as outlined above.
  • Powerful and extensible computer system for scientific and technical calculations. No matter if you are a school student or recognized scientist, Algebrus serves your needs. It is easy to use and interactive means of solving problem in various areas of expertise. Console based scientific calculator, 2D and 3D graphs plotter, differential, algebraic and polynomial equation solver, unit converter, physical constants reference, statistical analysis, data fitting, programming environment, and many more. Or just simple ?evaluate-while-typing? calculator for your everyday arithmetics. If it doesn?t have something needed, you can use built-in integrated syntax-highlighted XPascal programming environment to create your own routines and libraries, define your own types and operators. - Calculations and programming with vectors, matrices, complex numbers, fractions, quaternions, and polynomials - 2D and 3D graphic plots and charts of functions and data - Lines, scattered data, vector fields, contour plots, heights ...
  • Percent lets you quickly calculate percentages such as tips, added taxes and price discounts. Easily find a percentage from an amount entered. • Calculate the percentage of any number out of any number. • Calculate any amount plus any percentage (such as a tax rate) instantly. Perfect for calculating sales tax - it will work in any country! • Calculate prices after discount • Easily find a percentage if you know the original and final amounts. Check you were given the right discount or tax rate! • Compare tax rates from different Towns/Counties. • Check discounts - what would it cost with an extra 2% discount? • Compare discounts between stores. Great little tool to have on anyone’s desktop
  • Two programs in one. One that can Add, Subtract, Divide and Multiply fractions and another that can convert a decimal to a fraction or a fraction to a decimal. It's a breeze with "Fractions". Quick and easy interface. No confusing menus. Many fraction programs only convert fractions to a decimal. This unique program converts decimals to fractions. Great for school or work. Handy for STOCK quote conversions. Get the Pocket PC edition for Windows CE absolutely FREE when you register the desktop version.
  • Pulse shaping filter program that finds the pole-zero locations of a transfer function, H(s), for a matched filter. H(s) equals a -desired- signal (Yout) divided by a given input signal (Yin). Both Yout and Yin are functions of frequency. Group delay may also be calculated to compliment a given data set, thus, providing a flat group delay.
  • 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. CalculatorX even supports the custom variables, custom functions and note-line. You can use Binary, Octal, Decimal and HEXadecimal numbers in one expression to evaluate as well.
  • Graph Digitizer Scout automatically converts hard-copy graphs, oscillograms, charts, plots, into X,Y. Different recognition methods including manual correction mode. Data can be exported to Excel, CSV format and other applications.
  • Equation grapher is an easy-to-use software to create 2D function graphs.
  • Software for keeping home budget, it does not require you to know even accounting basics. As easy to keep home budget and work with the program as possible. Month and year balance, the correlation between actual and planned income (expenses), the dynamics of records for a year, the level of record completeness, the share of a record in a month, the total of income (expenses) are displayed in the main window. Keeping debts, credits. .NET Framework 1.1 is required! Features: Grouping records by years, months, income-expenses, specified groups; Visually displaying the financial conditions of the family in the main window; Showing the difference between the planned and actual income (expenses) for the current month, year; Showing the completeness of each income (expense); Showing yearly dynamics for each record; Keeping records in the main currency with recalculating the added sum from other currencies into the main one; Keeping the history of records, reports by records, groups, for a month, for a year.
  • StatPlus is easy-to-use statistical data processing program. With StatPlus 2006, one gets a robust suite of statistics tools and graphical analysis methods that are easily accessed though a simple and straightforward interface. The range of possible applications is virtually unlimited - sociology, financial analysis, biostatistics, healthcare and clinical research - to name just a few fields where the program is already being extensively used.
  • Did you ever have to send your expenses to your accountant and some of the receiptsdid not show the amount of VAT charged, or maybe you cannot claim VAT forconsumables purchased, and the receipt has also other items like groceries? Then VAT Extractor will do the job for you. Just enter the VAT rate, the total including VAT, and click Calculate. You will allways know how much VAT/TAX you can claim back.
  • StatAssist displays graphs and related properties of more than 40 probability distributions. This application will save you time and prevent calculation errors if your work or study involves the use of continuous or discrete distributions. It allows to quickly select a distribution of interest, specify parameter values, and view the graphs - probability density (PDF), cumulative probability (CDF), survival, hazard, and cumulative hazard. You can easily export the results to various formats, or print them. With StatAssist, you don't need complex statistical tables - it calculates moments, quantiles, and tail probabilities as you modify distribution parameters. In addition, it includes an efficient random number generator, a visual distribution gallery, and a comprehensive on-line documentation. Supported distribution properties: min, max, mode, mean, variance, standard deviation, coef. of variation, skewness, and kurtosis. Supported distributions: Bernoulli, Beta, Binomial, Cauchy (Lorentz), C ...
  • ConvertIt Pro is a unit conversion program containing over 2400 unit conversions including currency. It features a scientific calculator, pi display, scratch pad for saving and quickly accessing frequently used conversions and online definitions. It has up to 10,000 significant digits of accuracy for the mathematical professionals. There is even an option to add new unit conversions and it will automatically check for updates.
  • Defines how to cut rectangular pieces from glass, ceramic, metal, drywall or wood stocks with minimal waste of material. The most of cutting tasks have to be done on construction sites where you should figure out how to cut pieces in fast-paced environment. GNCutter takes complete care about cutting tasks and makes you life much easier. It generates and displays complex layouts and cutting instructions right at their jobsite in less than a second! There are two cutting methods available: Nesting and Guillotine. Guillotine method implies all cuts are made from one side of sheet completely to another side, as in case of glass or ceramic cutting. Nesting method does not impose any restrictions of how cuts are made and usually produces better results than guillotine. There are two types of stock: rectangular sheets or coils (rolls) with infinite length. GNCutter detects how many sheets or how much coil length you need to order from your supplier to cut all required pieces from. GNCutter provides yo ...
  • SEVENPAR is a tool for the calculation of highly exact transformation parameters for the Spatial Helmert and Molodensky Transformation, which make possible precise coordinate transformations from one reference system into another. The determined transformation parameters can be entered directly into suitable transformation software, e.g. TRANSDAT Coordinate Transformations, or into the calculation software of GPS receivers.
  • TRANSDAT Coordinate Conversion supports thousands of coordinate systems and geodetic datum shifts, user- defined systems, INSPIRE, NTv2, BeTA2007, GPS, continental drift, Shape, KML, CSV and other file systems and much more with highest accuracy. The current and historical coordinate and reference systems of all states of the European Union, the American State Plane systems NAD27 und NAD83 and most systems of other continents are supporte
  • Goldengem is considered to be one of the best of the neural network stock prediction programs. It is a simple no-nonsense program, containing a sophisticated mathematical calculation, which has been very successfully used by a few top traders. Its StockDownloader downloads free data. Select tickers, in capitals, separated by commas, including any that may influence the price you wish to analyze. Press Load then Run. Select your ticker on the right. Select a number of days on the slider. You will see three traces going across the graph. The red trace is the historical price of your chosen ticker. The blue trace is a copy of this, advanced by the number of days on the slider. The green trace is the neural net's attempt to match the blue curve, but using all loaded prices and volumes from the earlier time indicated by the red trace. Raise the sensitivity until the green and blue curves begin to match, and leave it running. After a while, you can lower the sensitivity. If the green curve still matche ...
  • RR's Unit Converter is an useful tool for metric conversion, weight conversion or any other unit conversions performed by scientist, engineers or students. Simple or compound units. User defined database. Over 1000 units with definition. User defined complex compound unit conversion like Fuel Consumption or Price Conversions( USD/gallon to Euro/liter). And more.

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