- Colt - http://tilde-hoschek.home.cern.ch/~hoschek/colt/index.htm
High performance scientific and technical computing data structures and methods. (Open Source, Attribution)
- ArciMath BigDecimal - http://users.belgacombusiness.net/arci/math/
Fast and improved BigDecimal class. [Commercial/Free]
- 32-bit Cyclic Redundancy Check (CRC) class - http://www.theorem.com/java/CRC32.java
This check is used in numerous systems to verify the integrity of information. It's also used as a hashing function. [Open Source, Public Domain]
- 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]
- JSpline+ - http://www.excelsior-usa.com/jspline/
For spline approximation, core matrix operations, and linear system solutions. [Commercial w/demo]
- 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]
- Java Numerics - http://math.nist.gov/javanumerics/
Working group that offers presentation, news, and libraries related to numerical computing.
- Math Parser - http://www.bestcode.com/html/jbcparser.html
Package to parse and evaluate mathematical expressions at runtime. [Commercial]
- Significant Figures - http://ostermiller.org/utils/SignificantFigures.html
Handles parsing, rounding, and displaying numbers for scientific applications.
- JEPLite - 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]
- JFormula - http://www.japisoft.com/
A Java library for evaluating mathematical expression. It is compatible with the JDK 1.1 and later. [Shareware]
- 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]
- ILOG JSolver - http://www.ilog.com/products/jsolver/
A pure Java constraint-programming engine and a pure Java optimization library. [Commercial]
- Java Financial Library - http://www.neuro-tech.net/archives/000032.html
A library and quick application for financial software. [Open source, LGPL]
- JMP - Sparse matrix library - http://www.math.uib.no/~bjornoh/jmp/
A library for sparse matrix computations. Includes a sparse BLAS, many iterative solvers for different problems, sparse matrix I/O and parallelization. [Open source, GPL]
- FPLib - http://www.geocities.com/andre_leiradella/#fplib
A small Java class that implements methods to perform arithmetic operations on 16:16 fixed-point numbers. [Open source, MIT license]
- Mathematical expression parser library for Java [GPL] - http://oglimmer.de/java/mathematical_expression_parser.php
Library to parse mathematical expressions like x^2+sin(x)-root(1/3*x). The following mathematical operations are supported: + - * / ( ) ^ root log sin cos tan asin acos atan. [Open source, GPL]
- JMathTools - http://jmathtools.sourceforge.net
A mathematical Java toolbox designed to be easily used and modified for scientific software engineering. [Open source, BSD License]
- ccapi - http://dyndna.dynalias.org/ccapi/
A financial library for automated stock trading, including many technical indicators and quote retreivers to fetch both intraday and historical stock quotes from various internet sources. [Open source, GPL]
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