Public Function Log10( _ ByVal vX As Variant _ ) As Variant
Log10(-1) = "0|1.36437635384184" IsNull(Log10(0)) = True Log10(1) = 0 Log10(2) = 0.301029995663981 Log10(10) = 1 Log10("2.3|-4.5") = "0.7036104464637|-0.476985365109662"See also:
Logarithm Function LogBaseN Function Log Function (Visual Basic)vX: Number whose base-10 logarithm is returned. Function returns Null if vX is Null or cannot be fixed up to a real or complex number (as defined by the ComplexStringToReals function). Complex numbers are represented within strings as "R|I" where R is the real part and I is the imaginary part.
Logarithm(X) / Log(10)
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