Altium Designer Documentation
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System Query Functions
Exponential and Logarithmic Functions
LOG
Created: September 05, 2015 | Updated: August 12, 2021
| Applies to versions: 15.1, 16.0, 16.1, 17.0, 17.1, 18.0, 18.1, 19.0, 19.1, 20.0, 20.1 and 20.2
Now reading version 20.2. For the latest, read: LOG for version 21
Parent page: System Query Functions - Exponential and Logarithmic Functions
Summary
Returns a (real) number whose value is equal to the base 2 logarithm of the parameter's numeric value.
Syntax
LOG(X : Number / Numeric_String) : Number
Example Usage
LOG(1)
Returns 0.
LOG(2)
Returns 1.
LOG(8)
Returns 3.
LOG(10)
Returns 3.3219.