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    Type:Bug 
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    Resolution: Fixed
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    Priority:Normal 
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    Affects Version/s: 5.9.0, 5.12.2
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    Component/s: None
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    None
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        None
Steps to Reproduce
Run attached sample xlsx in keikai
 repro.xlsx 
 
Current Result
E2: 20
F2: 22
Expected Result
E2: 20
F2: 20
Debug Information
The org.zkoss.poi.ss.formula.atp.ArgumentsEvaluator.evaluateDatesArg(ValueEval, int, int) retrieve cells by area.getValue(i, j) where i and j are absolute coordinates, causes the wrong cells to be retrieved
Should use getAbsoluteValue instead
Workaround
deploy attached override class under org.zkoss.poi.ss.formula.atp.ArgumentsEvaluator ArgumentsEvaluator.java