To apply the functionThe Log function returns logarithm for a series by the specified basis, for example: Log10(X[t]). It is included in the group of arithmetic functions.
NOTE. Logarithm can be calculated only for the series values within the range (0,∞).
After the function is applied, a series with the name of the Log(<Series_Name>) type and containing calculation results is added to the data table for each of the selected series. For example:
To set up calculation options, use the Parameters tab on the side panel.
Specify the value of logarithm base in the Logarithm Base value editor. The logarithm base value must be positive. The default logarithm base is 10.
See also:
Calculation Methods | Arithmetic
Arithmetic button on the Calculations ribbon tab.