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JFormula - http://www.japisoft.com/
A Java library for evaluating mathematical expression. It is compatible with the JDK 1.1 and later. [Shareware] |
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Java Numerics - http://math.nist.gov/javanumerics/
Working group that offers presentation, news, and libraries related to numerical computing. |
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http://dsd.lbl.gov/~hoschek/colt/ - http://dsd.lbl.gov/~hoschek/colt/
High performance scientific and technical computing data structures and methods. (Open Source, Attribution) |
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http://jgrapht.sourceforge.net - http://jgrapht.sourceforge.net
A class library that provides mathematical graph-theory objects and algorithms. JGraphT supports a rich gallery of graphs and is designed to be powerful, extensible and easy to use. [Open source, LGPL] |
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JEP - Java Mathematical Expression Parser - http://www.singularsys.com/jep/
Java classes for parsing and evaluating mathematical expressions. Supports multiple variables and user-defined functions. [Open source, GPL or commercial] |
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JMathTools - http://jmathtools.sourceforge.net
A mathematical Java toolbox designed to be easily used and modified for scientific software engineering. [Open source, BSD License] |
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JMatLink - http://www.held-mueller.de/JMatLink/
Connects Java and MATLAB. Native methods make it possible to use MATLAB's computational engine inside your own java applications, applets and servlets. [Freeware, source available] |
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AutoAbacus - http://www.singularsys.com/autoabacus/
An equation solving library that finds solutions to equation sets. A set of equations can be passed in as text, while AutoAbacus attempts to find a solution that satisfies all constraints. [Commercial, trial version] |
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ArciMath BigDecimal - http://users.belgacombusiness.net/arci/math/
Fast and improved BigDecimal class. [Commercial/Free] |
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JeksParser - http://www.eteks.com/jeks/en/
Parses and computes expressions or functions primarily for use in spreadsheet applications such as the example provided. [Beta Evaluation] |
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Significant Figures - http://ostermiller.org/utils/SignificantFigures.html
Handles parsing, rounding, and displaying numbers for scientific applications. |
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Mantissa (Mathematical Algorithms for Numerical Tasks In Space System Applications) - http://www.spaceroots.org/software/mantissa/index.html
A class library devoted to simulation, including an ODE solving package, as well as least square estimators, solvers, polynomials, basic statistics features. [Open source, BSD-like] |
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http://jeplite.sourceforge.net/ - http://jeplite.sourceforge.net/
A light-weighted (re)implementation of the Java Expression Parser (jep.sourceforge.net). The intention is to strip some of its not-so-often-used features, and thus speeding the rest. Includes expression optimizer. [Open source, GPL] |
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Mersenne Twister Pseudo Random Number Generator Classes - http://www.axlradius.com/freestuff/Free.htm
Offers multiple replacement implementations for java.util.Random. [Open Source] |
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Decimal Arithmetic for Java - http://www2.hursley.ibm.com/decimalj/
Improved BigDecimal class from IBM. [Open source] |