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Log Function

Returns the natural logarithm of a number.

                      Log(number)

Remarks

The number argument can be any valid numeric expression greater than 0.

The natural logarithm is the logarithm to the base e. The constant e is approximately 2.718282.

You can calculate base-n logarithms for any number x by dividing the natural logarithm of x by the natural logarithm of n as follows:

Logn(x) = Log(x) / Log(n)

The following example illustrates a custom Function that calculates base-10 logarithms:

Function Log10(X)
   Log10 = Log(X) / Log(10)
End Function

Requirements

Version 1

See Also

Reference

Exp Function