Math and Calculations

Decimal Arithmetic for Java

2.hursley.ibm.com

Improved BigDecimal class from IBM. [Open source]

190 visits Oct 30, 2024 Details

FPLib

geocities.com

A small Java class that implements methods to perform arithmetic operations on 16:16 fixed-point numbers. [Open source, MIT license]

253 visits Nov 4, 2024 Details

ILOG JSolver

ilog.com

A pure Java constraint-programming engine and a pure Java optimization library. [Commercial]

204 visits Jun 26, 2025 Details

Java Numerics

math.nist.gov

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

266 visits Feb 6, 2026 Details

JeksParser

eteks.com

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

320 visits Mar 27, 2024 Details

JEP - Java Mathematical Expression Parser

singularsys.com

Java classes for parsing and evaluating mathematical expressions. Supports multiple variables and user-defined functions. [Open source, GPL or commercial]

456 visits Sep 25, 2024 Details

JEPLite

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 res…

288 visits Mar 20, 2024 Details

JFormula

japisoft.com

A Java library for evaluating mathematical expression. It is compatible with the JDK 1.1 and later. [Shareware]

110 visits May 21, 2025 Details

JMathTools

jmathtools.sourceforge.net

A mathematical Java toolbox designed to be easily used and modified for scientific software engineering. [Open source, BSD License]

78 visits Jan 26, 2024 Details

JSpline+

excelsior-usa.com

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

147 visits Jan 21, 2025 Details

Mathematical expression parser library for Java [GPL]

oglimmer.de

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. [Ope…

334 visits Jan 9, 2025 Details

Significant Figures

ostermiller.org

Handles parsing, rounding, and displaying numbers for scientific applications.

481 visits May 10, 2025 Details

Math and Calculations

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