Web Directory

» ArciMath BigDecimal
   Fast and improved BigDecimal class. [Commercial/Free]
   http://users.belgacombusiness.net/arci/math/

» 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]
   http://www.singularsys.com/autoabacus/

» Colt
   High performance scientific and technical computing data structures and methods. (Open Source, Attribution)
   http://dsd.lbl.gov/~hoschek/colt/

» Decimal Arithmetic for Java
   Improved BigDecimal class from IBM. [Open source]
   http://www2.hursley.ibm.com/decimalj/

» JEP - Java Mathematical Expression Parser
   Java classes for parsing and evaluating mathematical expressions. Supports multiple variables and user-defined functions. [Open source, GPL or commercial]
   http://www.singularsys.com/jep/

» JEPLite
   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]
   http://jeplite.sourceforge.net/

» JFormula
   A Java library for evaluating mathematical expression. It is compatible with the JDK 1.1 and later. [Shareware]
   http://www.japisoft.com/

» JGraphT
   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]
   http://jgrapht.sourceforge.net/

» 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]
   http://www.held-mueller.de/JMatLink/

» JMathTools
   A mathematical Java toolbox designed to be easily used and modified for scientific software engineering. [Open source, BSD License]
   http://jmathtools.sourceforge.net

» Java Numerics
   Working group that offers presentation, news, and libraries related to numerical computing.
   http://math.nist.gov/javanumerics/

» JeksParser
   Parses and computes expressions or functions primarily for use in spreadsheet applications such as the example provided. [Beta Evaluation]
   http://www.eteks.com/jeks/en/

» Mantissa (Mathematical Algorithms for Numerical Tasks In Space System Applications)
   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]
   http://www.spaceroots.org/software/mantissa/index.html

» Math Parser
   Package to parse and evaluate mathematical expressions at runtime. [Commercial]
   http://www.bestcode.com/html/jbcparser.html

» Mersenne Twister Pseudo Random Number Generator Classes
   Offers multiple replacement implementations for java.util.Random. [Open Source]
   http://www.axlradius.com/freestuff/Free.htm

» Significant Figures
   Handles parsing, rounding, and displaying numbers for scientific applications.
   http://ostermiller.org/utils/SignificantFigures.html