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Mathematics
Title  JMathLib
JMathLib is used to evaluate complex mathematical expressions and display the results graphically. It can be used either interactively or to interpret script files (m-files). It is a clone of Matlab, Octave, FreeMat, Scilab but written 100% in java.
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Title  Isoptikon
The application is devoted to the precise drawing (on screen and printer) of figures of Euclidean Geometry and the study of the so called 'isoptic' cubics.
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Title  ZGrapher
ZGrapher 1.4 (last freeware version) is an awards winning graphing and calculating software.
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Title  PEEI
The program PEEI calculates a discrete, numerical and approximate solution of a generic differential analytical model (i.e. a system of partial differential equations).
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Title  MathCast Size  7582 kB Win  2000/XP
MathCast is an equation editor, an application that allows you to input mathematical equations. These equations can be used in written documents, webpages, and even databases. They could be rendered graphically to the screen, to picture files, or to MathML - today’s leading standard language for describing mathematics. MathCast can be used freely by anyone: students can create equation sheets to help them in their studies, educators can write handouts or study guides, webmasters can add mathematics to their website, and the list goes on and on.

Title  Graph Explorer Size  650 kB Win  all
A free graph plotting program. Enter a symbolic expression and see the corresponding polar or cartesian graph. Zoom-in, zoom-out and paste the graphs into other documents.

Title  SimSolve Size  250 kB Win  all
A fast, general purpose and free simultaneous equation solver. Just specify the number of variables, enter the coefficients, and press solve. Reports the numerical solution if only one exists, describes the constraints if infinite solutions exist, and tells you it's impossible if no solution exists. The 'show workings' mode explains how the program came to its conclusions.

Title  FreeMat Size  8.8 MB Win  all
FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source. FreeMat is available under the GPL license.

Title  Maxima Size  21748 kB Win  98/Me/NT/2000/XP
Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors. Maxima yields high precision numeric results by using exact fractions, arbitrary precision integers, and arbitrarily precision floating point numbers. Maxima can plot functions and data in two and three dimensions.

Title  GraphCalc Size  348 kB Win  all
GraphCalc 1.21 (last freeware version) is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives. GraphCalc combines all the features of a professional mathematics package with the simplicity of an easy to learn windows interface. It provides user-friendly help and tutorials to guide you through the easy and fun process of mastering GraphCalc.
(shareware)

Title  SpeQ Size  330 kB Win  all
SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute all calculations. You can define variables and functions, and plot graphs of your functions. You can save your calculations for later re-use.
Features:
- Expression calculations with arithmetic, conditional, logical and bitwise operators
- Around 100 built-in mathematical, physical and conditional constants and colors
- Around 60 built-in functions for Analysis, Arithmetic, Complex, Hyperbolic, Integers, Probability, Statistics, Trigonometry
- Define your own variables and functions for use in calculations
- Plot fully adaptable graphs, trace the plotted functions, save your graphs
- Complex number calculations
- Colored workarea
- Save and load sheets
- Orderly overview of all available functions and constants in the Functionstree
- A list with all defined variables and functions in the Memorylist
- Context-sensitive help and a detailed users guide


Title  SLGallery Size  489 kB Win  all
Introducing SLGallery, the unique probability distribution calculation toolbox intended to bring straightforward and easy-to-use approach to math software!
SLGallery is an innovative product allowing mathematicians, economists, financial analytics, - virtually anyone who is into serious calculation and prediction of probabilities perform any related task fast and easy!
The product features 11 continuous and 4 discrete functions. With SLGallery it is possible to plot graphs and find values for probability density (PDF), cumulative distribution (CDF), survival and Hazard functions. Major distribution characteristics such as math ‘Mean’, standard deviation, coefficient of variation, Skewness and Kurtosis can be calculated as well as fractal value of a distribution function based on given probability.
SLGallery calculates new values and plots graphs immediately after you change an argument allowing for dynamic representation of probability distribution, saving precious time and providing accurate data for analysis.
Ease of use and comprehensive help system along with complete automation and precision calculations make this product a must-try for anyone who is into serious analytical reckoning!

Title  AnalyticMath Size  1.93 MB Win  all
AnalyticMath is a FREE, cross-platform (Windows, Linux, etc.) mathematics / plotting program with a powerful editor and integrated 'auto-calc' features that will help you develop and visually analyse mathematical expressions quickly and easily. The program is intuitive, simple to use, and suitable for everyone from students to theoretical physicists.

Title  BMP EMF Grapher Size  287 kB Win  95/98/ME/2000/XP
BMP EMF Grapher - drawing 2-D mathematical freeware with BMP, EMF, CSV export and CSV import. This software can calculate, draw and exports 2-D mathematical functions and their combinations to the BMP, EMF, and CSV formats and also imports external CSV files to draw graphics to export them to BMP or EMF format.





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