4D v14.3

Log

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4D v14.3
4D Language Reference
Math
Log

Log 


 

Log ( number ) -> Function result 
Parameter Type   Description
number  Real in Number for which to return the log
Function result  Real in Log of number

Log returns the natural (Napierian) log of number. Log is the inverse function of Exp.

Note: 4D provides the predefined constant e number (2.71828...).

Example  

The following line displays 1:

 ALERT(String(Log(Exp(1)))

 
PROPERTIES 

Product: 4D
Theme: Math
Number: 22

 
HISTORY 

Created: < 4D v6

 
SEE ALSO 

Exp

 
ARTICLE USAGE

4D Language Reference ( 4D v12.4)
4D Language Reference ( 4D v11 SQL Release 6)
4D Language Reference ( 4D v14 R3)
4D Language Reference ( 4D v14 R2)
4D Language Reference ( 4D v13.5)
4D Language Reference ( 4D v14.3)
4D Language Reference ( 4D v14 R4)