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 (under 400KB as jar archive)
• Fast evaluation
• High precision using BigDecimals
• 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
• Java 1.7 compatible
• Supports Unicode characters
• Extensive documentation and >1400 unit tests
• Localization

Try it!

A trial version of Jep is available for download -- so please download it and give it a try! To purchase a Jep license, visit the Order page for more information.

An interactive console runs in a web browser and shows some of the calculations which can be performed.