org.apache.poi.ss.formula
Interfaces 
EvaluationCell
EvaluationName
EvaluationSheet
EvaluationWorkbook
ExternSheetReferenceToken
FormulaParsingWorkbook
FormulaRenderingWorkbook
WorkbookDependentFormula
Classes 
CollaboratingWorkbooksEnvironment
EvaluationWorkbook.ExternalSheet
FormulaParser
FormulaRenderer
FormulaType
WorkbookEvaluator