To apply the functionThe Ln function returns natural logarithm for a series: Ln(X[t]). It is included in the group of arithmetic functions.
NOTE. Natural logarithm can be calculated only for series values within the range (0,∞).
After the function is applied, a series with the name of the Ln(<Series_Name>) type and containing calculation results is added to the data table for each of the selected series. For example:
See also:
Calculation Methods | Arithmetic
Arithmetic button on the Calculations ribbon tab.