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Colt
High performance scientific and technical computing data structures and methods. (Open Source, Attribution)

ArciMath BigDecimal
Fast and improved BigDecimal class. [Commercial/Free]

32-bit Cyclic Redundancy Check (CRC) class
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
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]

Decimal Arithmetic for Java
Improved BigDecimal class from IBM. [Open source]

Mersenne Twister Pseudo Random Number Generator Classes
Offers multiple replacement implementations for java.util.Random. [Open Source]

JSpline+
For spline approximation, core matrix operations, and linear system solutions. [Commercial w/demo]

JeksParser
Parses and computes expressions or functions primarily for use in spreadsheet applications such as the example provided. [Beta Evaluation]

Java Numerics
Working group that offers presentation, news, and libraries related to numerical computing.

Math Parser
Package to parse and evaluate mathematical expressions at runtime. [Commercial]






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