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Log
Last update:
May 18, 2026
Description
Calculates the natural logarithm of a number. Natural logarithms are based on the constant e (2.71828182845904).
Returns
The natural logarithm of a number.
Category
Function syntax
Log(number)See also
Exp, Log10
Parameters
Parameter | Description |
number | Positive real number for which to calculate the natural logarithm |
Example
<cfscript>
val=5
writeOutput("Log of " & val & " is: " & log(val))
</cfscript>Output
Log of 5 is: 1.60943791243
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