Log10
Calculates the log base 10 of numValue.
| Function | Group | Execution | Windows | Embedded | Thin Client | Mobile Access |
|---|---|---|---|---|---|---|
| Log10 | Logarithmic | Synchronous | Supported | Supported | Supported | Supported |
Syntax
- numValue
- Integer or Real tag, from which the log base 10 is taken.
Returned value
Returns the value of log10( numValue ).
Note: If numValue has a negative value, then this function will return the value 0 and it will set the quality of the returned tag to BAD.
Examples
| Tag Name | Expression |
|---|---|
| Tag | Log10( 1000 ) // Returned value = 3 |
| Tag | Log10( 43.05 ) // Returned value = 1.633973 |