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javaluator

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A java infix evaluator based on "Shunting Yard" algorithm.

Evaluate an arithmetic expression is as simple as:

Double result = new DoubleEvaluator().evaluate("(e^3-1)*sin(pi/4)*ln(pi^2)").

But Javaluator provides you with much more ...

Key features:

  • Functions support, including variable argument count.
  • Constants support: e, pi, etc ...
  • Variables support: Example sin(x) for x = pi/4.
  • Highly configurable: Reduce the built-in operator or function sets, define your own brackets.
  • Extensible: Define your own grammar, or extends the existing one.
  • Localizable: Define localized names for functions or constants.
  • Syntax check
  • Small footprint: 26kB, no additionnal library required.
  • Fully documented

Please visit the project site to learn more : http://javaluator.fathzer.com

If you use Javaluator in your product, we will be happy to add a link to your product in the Javaluator web site