## Uses of Interface
org.apache.poi.ss.formula.functions.ArrayFunction

- Packages that use ArrayFunction
  Package | Description
  --- | ---
  org.apache.poi.ss.formula.eval |
  org.apache.poi.ss.formula.functions |

- - ### Uses of ArrayFunction in org.apache.poi.ss.formula.eval

    Classes in org.apache.poi.ss.formula.eval that implement ArrayFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `RelationalOperationEval` Base class for all comparison operator evaluators
    `class` | `TwoOperandNumericOperation`
    `class` | `UnaryMinusEval`
    `class` | `UnaryPlusEval`

  - ### Uses of ArrayFunction in org.apache.poi.ss.formula.functions

    Classes in org.apache.poi.ss.formula.functions that implement ArrayFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BooleanFunction` Here are the general rules concerning Boolean functions: Blanks are ignored (not either true or false) Strings are ignored if part of an area ref or cell ref, otherwise they must be 'true' or 'false' Numbers: 0 is false.
    `class` | `IfFunc` Implementation for the Excel function IF
    `class` | `LogicalFunction` Implementation of the various ISxxx Logical Functions, which take a single expression argument, and return True or False.

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