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Log Function (Access custom web app)

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Returns the natural logarithm, or the logarithm of the given base, of the specified expression.

Important

Microsoft no longer recommends creating and using Access web apps in SharePoint. As an alternative, consider using Microsoft PowerApps to build no-code business solutions for the web and mobile devices.

Syntax

Log (NumericExpression, [ Base ])

The Log function contains the following arguments.

Argument name Description
NumericExpression
The positive number for which you want the logarithm.
Base
The base of the logarithm. If omitted, the Log function returns the natural logarithm.

Remarks

The function Log10 is similar, but always returns the common logarithm, meaning the logarithm for the base 10.

The natural logarithm is the logarithm to the base e, where e is an irrational constant approximately equal to 2.718281828.