Jep is a small fast mathematical expression parser and evaluator library for use in Java programs. Feature include:
Jep Extensions is a set of extensions to Jep which add symbolic operations, fast evaluation, a type system allowing evaluation using matrices and rational numbers, limited structured programing and conversion to MathML.
This applet allow an interactive session, it illustrates many features of Jep and is implented using GWTJep.
x=5(setting the value of a variable)
x^2(using a variable value)
Some more advance plotting examples made using Jep:
Jep 2.4 is an older version of Jep released under an open-source licence. It is available from GitHub.