Kalpana Kalpana (Editor)

Exp4j

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Stable release
  
0.4.3 / 2014-10-10

Type
  
Math

Written in
  
Java

License
  
Apache License 2.0

Website
  
www.objecthunter.net/exp4j/

exp4j is a small Java library for evaluation of mathematical expressions. It implements Dijkstra's Shunting-yard algorithm to translate expressions from infix notation to Reverse Polish notation and calculates the result using a simple Stack algorithm.

Contents

Features

  • Variables can be used in expressions
  • exp4j comes with a set of common built-in functions
  • Users can create and use their own custom operators
  • Users can create and use their own custom functions

    • License terms

    exp4j is released under the terms of the Apache License 2.0

    Examples of usage

    Calculating the result of 3 ∗ sin ⁡ ( π ) − 2 e can be done in the following way:

    References

    Exp4j Wikipedia
    (Text) CC BY-SA