Altium Designer Documentation
...
((System Query Functions))_AD
System Query((Exponential and Logarithmic Functions))_AD
Query_Lang-SystemFunctions_Exponential_Logarithmic_LNLN_AD
Created: August 02, 2022 | Updated: August 02, 2022
| Applies to version: 21
This document is no longer available beyond version 21. Information can now be found here: LN for version 25
Parent page: System Query Functions - Exponential and Logarithmic Functions
Summary
Returns a (real) number whose value is equal to the natural (or base e) logarithm of the parameter's numeric value. (The number e is 2.7183).
Syntax
LN(X : Number / Numeric_String) : Number
Example Usage
LN(1)
Returns 0.
LN(2)
Returns 0.6931.
LN(10)
Returns 2.3026.