Function Correct(Salary As Double, Tax As Double) As Boolean
Correct = Abs(Tax - (Salary * 0.1)) < 0.001
End Function


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HTH

Bob

"FARAZ QURESHI" wrote in message
...
How to develop a simple UDF like:
=Correct(Salary,Tax)
so as to return a TRUE if the argument Tax = Salary * 10%?
Thanx!
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Best Regards,
FARAZ A. QURESHI