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Rounding the numeric variable (declared as double) up to n digits

Rounding the numeric variable (declared as double) up to n digits

Rounding the numeric variable (declared as double) up to n digits

(OP)
I got problem in rounding the number declared as double in vb. I am using access database.

RE: Rounding the numeric variable (declared as double) up to n digits

Have you tried the Format function? Example follows:

dblNumber = Format(dblIn,

RE: Rounding the numeric variable (declared as double) up to n digits

Try this function
Public Function RoundToFirst(X As Single)
RoundToFirst = Int(X / 10 ^ Int(Log(X) / Log(10))) * 10 ^ Int(Log(X) / Log(10))
End Function

Public Function RoundToSecond(X As Single)
RoundToSecond = Int(X / 10 ^ (Int(Log(X) / Log(10)) - 1)) * 10 ^ (Int(Log(X) / Log(10)) - 1)
End Function

Public Function RoundToThird(X As Single)
RoundToThird = Int(X / 10 ^ (Int(Log(X) / Log(10)) - 2)) * 10 ^ (Int(Log(X) / Log(10)) - 2)
End Function

Public Function RoundToFourth(X As Single)
RoundToFourth = Int(X / 10 ^ (Int(Log(X) / Log(10)) - 3)) * 10 ^ (Int(Log(X) / Log(10)) - 3)
End Function
Public Function RoundToDigit(X As Single, SignificantDigits As Integer)
RoundToDigit = Int(X / 10 ^ (Int(Log(X) / Log(10)) - (SignificantDigits - 1))) * 10 ^ (Int(Log(X) / Log(10)) - (SignificantDigits - 1))
End Function

RE: Rounding the numeric variable (declared as double) up to n digits

function RoundNumber(NumberToRound as Double, Places as integer) as Double
dim Mask as string
Mask = "000000000000000000."
Mask = Mask & Left(Mask, 1, Places)
RoundNumber = cdbl(Val(Format(NumberToRound,Mask)))
exit function

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