Java Math Expression Parser and Evaluator
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README.md

Jep Java GPL

The offical Jep - Java Expression Parser GPL release v. 2.4.1.

View the documentation - http://htmlpreview.github.io/?https://github.com/nathanfunk/jep-java-gpl/blob/master/doc/html/index.html

This project was originally started on Sourceforge and has moved to github to allow easier forking.

Jep Java parses and evaluates mathematical expressions with only a few lines of code. This package allows your users to enter a formula as a string, and instantly evaluate it. Jep supports user defined variables, constants, and functions. A number of common mathematical functions and constants are included.

Features

  • Small size
  • Fast evaluation
  • Includes common math functions and operators
  • Supports Boolean expressions
  • Extendable and configurable architecture
  • Support for strings, vectors and complex numbers
  • Support for implicit multiplication
  • Allows declared or undeclared variables
  • Extensive documentation
  • Includes JavaCC grammar from which the main classes are generated

The commercial 3.x release (http://singularsys.com/jep) includes additional features:

  • Improved evaluation speed
  • High precision using BigDecimals
  • Substantially increased customizability