iAmortPro has the calculation features of the industry leading loan amortization software. These features include: Calculate the Unknown Values - Present or Future Value - Loan or Payment Amounts - Interest Rate - Number of Payments - Balloon Payment - APR - Irregular Payments - Interest Rate Changes Calculation Loan Types - Normal Amortization - U.S. Rune - Rule of 78βs - Canadian Amortization - Days per Year (360, 364, 354) Compounding Periods - Annual - Semi-annual - Quarterly - Two-month - Half-month - Bi-weekly - Weekly - Daily - Exact Days Other Features - Notes may be added to any payment or set of payments - Customizing Reporting - Reports can export to PDF - Schedules can export to CSV to share with a spreadsheet - Graphs showing the amount of Principal, Interest, and Payments - Graphs can export to PDF - Customized handling of rounding errors.