Javaluator

With Javaluator, evaluate an arithmetic expression. Features include functions support, including variable argument count, constants support: e and pi, variables support: example sin(x) for x = pi/4, 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, and small footprint: <16kB, no additional library required.