Continue pressing to cycle through interest principal and balance. By default the calculator comes with PYR set to 12. The sign conventions for cash flows in the HP 10bII follow this simple rule.
The interest rate per period is computed by taking the nominal annual rate and dividing by the number of periods per year.
The interest rate per period is computed by taking the nominal annual rate and dividing by the number of periods per year. Simple interest benefits consumers who pay their loans on time or early each month. In this lesson we go through an example of how to calculate the Internal Rate of Return IRR using the Financial Calculator HP 10bII. The key is keeping the same viewpoint through each complete calculation.