Log

Return the natural logarithm (base e = 2.7182818...) of an integer or real number.

Syntax

Log(x)

Arguments

• x

  Must be an integer or real number greater than zero

Returns

The natural logarithm of x

Exceptions

If x is zero or negative, or not a number, returns an error value

Example

• Log(14)

  [Returns 2.6391]

• Log(TagVal('att1', '14-Dec-16'))

  [Return the natural log of the value of 'att1' at 12:00am on Dec 14, 2016]