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## Package org.apache.poi.ss.formula.eval

Interface Summary
AreaEval | Evaluation of 2D (Row+Column) and 3D (Sheet+Row+Column) areas
NumericValueEval |
RefEval | RefEval is the super interface for Ref2D and Ref3DEval.
StringValueEval |
ValueEval |

Class Summary
AreaEvalBase |
BlankEval |
BoolEval |
ConcatEval |
ErrorEval | Evaluations for formula errors
ExternalNameEval | Evaluation of a Name defined in a Sheet or Workbook scope
FunctionEval | Mappings from the Excel functions to our evaluation implementations (where available)
FunctionNameEval |
IntersectionEval |
MissingArgEval | Represents the (intermediate) evaluated result of a missing function argument.
NumberEval |
OperandResolver | Provides functionality for evaluating arguments to functions and operators.
PercentEval | Implementation of Excel formula token '%'.
RangeEval |
RefEvalBase | Common base class for implementors of `RefEval`
RefListEval | Handling of a list of values, e.g.
RelationalOperationEval | Base class for all comparison operator evaluators
StringEval |
TwoOperandNumericOperation |
UnaryMinusEval |
UnaryPlusEval |

Exception Summary
EvaluationException | This class is used to simplify error handling logic within operator and function implementations.
NotImplementedException | An exception thrown by implementors of `FormulaEvaluator`, when attempting to evaluate a formula which requires features that POI does not (yet) support.
NotImplementedFunctionException | An exception thrown by implementors of `FormulaEvaluator` when attempting to evaluate a formula which requires a function that POI does not (yet) support.

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