| Package | Description | 
|---|---|
| com.comphenix.xp.lookup | |
| de.congrace.exp4j | 
| Class and Description | 
|---|
| Calculable
 This is the basic result class of the exp4j  
ExpressionBuilder | 
| Class and Description | 
|---|
| BultinFunction.StandardFunctions
 Every standard function in this library. 
 | 
| Calculable
 This is the basic result class of the exp4j  
ExpressionBuilder | 
| CustomFunction
 this classed is used to create custom functions for exp4j 
Example  | 
| CustomOperator
 This class is used to create custom operators for use in expressions 
The applyOperation(double[] values) will have to be implemented by users of this class.  | 
| ExpressionBuilder
 This is Builder implementation for the exp4j API used to create a Calculable instance for the user 
 | 
| InvalidCustomFunctionException | 
| UnknownFunctionException
 Exception for handling unknown Functions. 
 | 
| UnparsableExpressionException
 Exception for invalid expressions 
 |