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((System Query Functions))_AD
System Query((Exponential and Logarithmic Functions))_AD
Query_Lang-SystemFunctions_Exponential_Logarithmic_LNLN_AD
Created: 九月 05, 2015 | Updated: 八月 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
您正在阅读的是 16.1. 版本。关于最新版本，请前往 Query_Lang-SystemFunctions_Exponential_Logarithmic_LN((LN))_AD 阅读 21 版本
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.