org.apache.poi.hssf.record.formula
Classes 
AddPtg
Area3DPtg
AreaPtg
AttrPtg
ConcatPtg
DividePtg
ExpPtg
FormulaParser
FunctionPtg
IntPtg
MemErrPtg
MultiplyPtg
NamePtg
NumberPtg
OperationPtg
ParenthesisPtg
PowerPtg
Ptg
Ref3DPtg
ReferencePtg
SubtractPtg
UnknownPtg
ValueVariableFunctionPtg