Package  Description 

org.apache.poi.ss.formula 
This package contains common internal POI code for manipulating formulas.

org.apache.poi.ss.formula.atp  
org.apache.poi.ss.formula.eval  
org.apache.poi.ss.formula.functions  
org.apache.poi.ss.formula.udf 
Class and Description 

FreeRefFunction
For most Excel functions, involving references ((cell, area), (2d, 3d)), the references are
passed in as arguments, and the exact location remains fixed.

Function
Common interface for all implementations of Excel builtin functions.

Class and Description 

FreeRefFunction
For most Excel functions, involving references ((cell, area), (2d, 3d)), the references are
passed in as arguments, and the exact location remains fixed.

Class and Description 

Fixed1ArgFunction
Convenience base class for functions that must take exactly one argument.

Fixed2ArgFunction
Convenience base class for functions that must take exactly two arguments.

Function
Common interface for all implementations of Excel builtin functions.

Function1Arg
Implemented by all functions that can be called with one argument

Function2Arg
Implemented by all functions that can be called with two arguments

Class and Description 

Count
Counts the number of cells that contain numeric data within
the list of arguments.

Counta
Counts the number of cells that contain data within the list of arguments.

Fixed0ArgFunction
Convenience base class for functions that only take zero arguments.

Fixed1ArgFunction
Convenience base class for functions that must take exactly one argument.

Fixed2ArgFunction
Convenience base class for functions that must take exactly two arguments.

Fixed3ArgFunction
Convenience base class for functions that must take exactly three arguments.

Fixed4ArgFunction
Convenience base class for functions that must take exactly four arguments.

FreeRefFunction
For most Excel functions, involving references ((cell, area), (2d, 3d)), the references are
passed in as arguments, and the exact location remains fixed.

Function
Common interface for all implementations of Excel builtin functions.

Function0Arg
Implemented by all functions that can be called with zero arguments

Function1Arg
Implemented by all functions that can be called with one argument

Function2Arg
Implemented by all functions that can be called with two arguments

Function3Arg
Implemented by all functions that can be called with three arguments

Function4Arg
Implemented by all functions that can be called with four arguments

LinearRegressionFunction.FUNCTION 
MultiOperandNumericFunction
This is the super class for all excel function evaluator
classes that take variable number of operands, and
where the order of operands does not matter

NumericFunction 
NumericFunction.OneArg 
XYNumericFunction 
XYNumericFunction.Accumulator 
Class and Description 

FreeRefFunction
For most Excel functions, involving references ((cell, area), (2d, 3d)), the references are
passed in as arguments, and the exact location remains fixed.

Copyright 2014 The Apache Software Foundation or its licensors, as applicable.