Calculates the Nominal Annual Interest Rate from the Effective Annual Rate (EAR) and number of compounding periods per year.
The effective annual interest rate (e.g., 0.1268 for 12.68%).
The number of compounding periods per year (e.g., 12 for monthly).
The nominal annual interest rate as a decimal.
Calculates the Nominal Annual Interest Rate from the Effective Annual Rate (EAR) and number of compounding periods per year.