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| GIPALS is linear programming environment that incorporates large-scale linear programs solver and easy, intuitive graphical user interface to direct specify or import and solve any type of constrained optimization problems arising in various industrial, financial and educational areas. Constrained optimization problems are stated as linear programs with UNLIMITED number of decision variables and constraints. The linear program solver is based on Interior-Point method (Mehrotra predictor-corrector algorithm) and optimized for large sparse linear programs by implementing the state-of-art algorithm to order the constraints matrix. The user can specify the linear program constraints in a dense form using the grids or in a sparse form using the particular constraints editor. The dense form is suitable for small and medium linear programs with non-zeros prevail over zeros. In this form the constraints can be directly copied/pasted from/to MS Excel spreadsheets by Windows clipboard. The sparse form is designed to specify / view / edit large linear programs with tens and hundreds of thousand variables and constraints. GIPALS can import linear programs from Mathematical Programming System (MPS) data format that is an industry standard for the description of a variety of linear programs. Any linear program specified in GIPALS` user interface could be exported to MPS format. The solution of the linear programs can be saved as CSV (comma-delimited spreadsheet), Tab-delimited or HTML file. Key features of GIPALS: Simple and natural way to specify a linear program without any special mathematical knowledge; Robust Interior-Point method for fast and reliable solution; Support the industrial standard format of linear programs; Report the solutions in widely used formats including spreadsheets and HTML. |
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| » Archim
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| Archim is a program for drawing the graphs of all kinds of functions. You can define a graph explicitly and parametrically, in polar and spherical coordinates, on a plane and in space (surface). Archim will be useful for teachers and students, as well as ... |
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| 648 kB |n/a |Win95,Win98,WinME,WinXP,Windows2000 | Downloads: 64 |
| Date added: Jan 18, 2006 |
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| » Karnaugh Minimizer
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| Boolean Algebra assistant program is an interactive program extremely easy to use. A must-have tool for the freshmen electrical engineering student. The program is intended for the developers of small digital devices or simply of radioamateurs, and as ... |
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| 1074 kB |n/a |Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,WinXP,Windows2000 | Downloads: 61 |
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| » Ten Thumbs Typing Tutor
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| Ten Thumbs Typing Tutor teaches the skill of touch typing (typing with all the fingers without looking at the keys) in an accessible step-by-step way. Ten Thumbs has received critical acclaim for its easy-to-use, step-by-step approach to learning keyboard ... |
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| 8500KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 43 |
| Date added: Feb 10, 2006 |
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| » MadCalc
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| MadCalc is a full featured graphing calculator application for your PC running Windows. With MadCalc you can graph rectangular, parametric, and polar equations. Plot multiple equations at once. Change the colors of graphs and the background. Use the immed ... |
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| 388KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 57 |
| Date added: Feb 10, 2006 |
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| » Random Number Generator Pro
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| Random Number Generator is a Windows based application designed to generate random numbers. Program allow users choose lower and upper limits and increments of the numbers. Limits can be positive or negative values. User can exclude digits from generated ... |
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| 149 kB |n/a |Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003 | Downloads: 46 |
| Date added: Jan 18, 2006 |
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| » Aepryus Calculator
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| Aepryus Calculator is a 32-bit Windows scientific RPN calculator optimized for use with other applications. The main focus of the development of AepCalc was towards usability, but with an eye towards aesthetics. The AepCalc sports all of the standard scie ... |
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| 1074KB |Shareware |Windows 95/98/NT/2000 | Downloads: 43 |
| Date added: Feb 10, 2006 |
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| » CaterpillarSSA
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| The program is based on the powerful model-free method of time series analysis Caterpillar (another name is SSA - Singular Spectrum Analysis). It combines advantages of other methods with simplicity of visual control aids. The basic Caterpillar-SSA algori ... |
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| 840KB |Shareware |Windows 95/98/ME/NT/2000 | Downloads: 54 |
| Date added: Feb 10, 2006 |
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| » Prime Number Spiral
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| The Prime Number Spiral (a.k.a. the Ulam Spiral) is constructed as follows: Consider a rectangular grid. We start with the central point and arrange the positive integers in a spiral fashion (anticlockwise). The prime numbers are then marked. There is a t ... |
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| 1700 kB |n/a |Win95,Win98,WinME,WinXP,WinNT 4.x,Windows2000,Windows2003 | Downloads: 45 |
| Date added: Jan 18, 2006 |
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| » SimplexNumerica
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| SimplexNumerica is an object-oriented numerical data analyzer, plot and presentation program. SimplexNumerica is proving to be extremely popular among scientists. Ergonomic programming using the newest Windows programming guidelines with toolbars, context ... |
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| 9908KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 49 |
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| » Mental Math Master
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| Master the art of mental calculation in just 3 minutes a day, no matter how much you`ve struggled with math up till now. Mental Math Master uses animation, audio, and a proven 60-module mental math course to turn you into a natural human calculator. ... |
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| 3749KB |Demo |Windows 98/ME/2000/XP | Downloads: 36 |
| Date added: Feb 10, 2006 |
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| » Advanced Grapher
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| Powerful but easy-to-use graphing, curve fitting and calculating software. Graphs Cartesian (Y(x) and X(y)), polar and parametric functions, graphs of tables, equations (implicit functions), inequalities and systems of inequalities and slope fields. Up to ... |
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| 1170KB |Shareware |Windows 95/98/ME/NT/2000/XP/2003 | Downloads: 47 |
| Date added: Feb 10, 2006 |
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| » Canadian Tax Calculator
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| Written in pure Java. Works in a browser as an Applet or as a standalone application.PLEASE TRY BEFORE YOU BUY! You can download at http://mindprod.com/products.html#CANADIANTAX ... |
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| 0KB |Shareware |Windows 95/98/ME/NT/2000/XP/2003 | Downloads: 56 |
| Date added: Feb 10, 2006 |
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| » Algebra - One On One
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| Algebra One on One is an educational game for those wanting a fun way to learn and practice Algebra. This program covers 21 functions which includes maximums, minimums, absolute values, averages, x/y, ax + b, axy + b, ax + by + c, squares, cubes, and so o ... |
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| 863KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 45 |
| Date added: Feb 10, 2006 |
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| » Galactic Geometry 3D
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| Get into the pilot seat and learn about volume and surface area while blasting away space debris to save your ship! Galactic Geometry is a 3D educational game that offers an engaging environment for serious learning about geometric figures. As obstacles h ... |
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| 2115 kB |n/a |Win95,Win98,WinME,Windows2000,WinXP,Windows2003 | Downloads: 44 |
| Date added: Jan 18, 2006 |
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| » Fornux Calculator Student Edition
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| Compute simple arithmetic to high-precision calculations (up to 60 decimal places), render beautiful 2D/3D graphics and histogram/scatter plot quickly with smart formatting, trace your graphic coordinates and send professional reports in seconds. Enter yo ... |
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| 2282KB |Shareware |Windows 95/98/ME/NT/2000/XP/2003 | Downloads: 50 |
| Date added: Feb 10, 2006 |
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| » DTREG
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| DTREG is a powerful statistical analysis program that generates classification and regression decision trees that model data and can be used to predict values. DTREG is a robust application that is installed easily on any Windows system. DTREG reads Comma ... |
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| 1941KB |Demo |Windows 95/98/ME/NT/2000/XP/2003 | Downloads: 57 |
| Date added: Feb 10, 2006 |
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| » Quadratic Equations2
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| It is a simple program introducing the student to how to solve problems involving quadratic expressions, how to make them from words or phrases, understand their usage, factorize them, with lots of discussion, exercises and their solutions. Each exercise ... |
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| 311KB |Shareware |Windows 95/98/NT/2000 | Downloads: 46 |
| Date added: Feb 10, 2006 |
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| » Linear Algebra
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| Performs computations associated with matrices, including solution of linear systems of equations (even least squares solution of over-determined or inconsistent systems and solution by LU factors), matrix operations (add, subtract, multiply), finding the ... |
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| 2277KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 53 |
| Date added: Feb 10, 2006 |
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| » Basic Algebra Shape-Up
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| Basic Algebra Shape-Up helps students master specific basic algebra skills, while providing teachers with measurable results. Concepts covered include creating formulas; using ratios, proportions, and scale; working with integers, simple and multi-step eq ... |
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| 5859KB |Shareware |Windows 98/ME/NT/2000/XP/2003 | Downloads: 41 |
| Date added: Feb 10, 2006 |
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| » Graph Plotter
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| Graph Plotter is a powerful tool which can help you to plot and analyze different types of graphs. It is easy-to-use and user-friendly. In addition it can find asymptotes of function, break points, extremums and calculate limit, define integral, derivativ ... |
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| 1729KB |Shareware |Windows 95/98/ME/2000/XP | Downloads: 51 |
| Date added: Feb 10, 2006 |
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