Loan Amount: Interest Rate: Number of Years: Number of Periods Per Year: Additional Principal Per Period: Compound on a Daily Basis Compound on a Weekly Basis Compound on a Bi-Weekly Basis Compound on a Semi-Monthly Basis Compound on a Monthly Basis Compound on a Quarterly Basis Compound on a Semi-Annual Basis Compound on an Annual Basis Calculate Payment Only Calculate Payment and Display Amortization Schedule