Arity 解析和计算数学表达式的Java类库

Arity - 解析和计算数学表达式的Java类库 Arithmetic Engine for Java Evaluates arithmetic expressions represented as strings. Version 1.3.0 adds support for complex numbers. You can define and evaluate complex functions. All the built-ins (trigonometrics, log, power, etc) accept complex arguments. Enjoy! An exp