Lg
Purpose 
Returns the base-2 logarithm of number.
Format 
Lg(number)
Parameters 
number - any numeric expression or field containing a numeric expression
Data type returned 
number
Originated in 
FileMaker Pro 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
Examples 
Lg(1) = 0
Lg(2) = 1
Lg(32) = 5
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas
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