Lg

Returns the base-2 logarithm of a number.

Format 

Lg ( number )

Parameters 

number - any numeric expression or field containing a numeric expression

Data type returned 

number

Originated in version 

7.0

Description 

Number can be any positive value. Negative values return an error. For 0, the Lg function returns nothing because this value is out of the acceptable range.

Equation

Example 1 

Lg(1) = 0

Lg(2) = 1

Lg(32) = 5