The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. This spreadsheet-based calculator creates an amortization schedule for a fixed-rate loan, with optional extra payments.This spreadsheet creates an amortization schedule for a fixed-rate loan, with optional extra payments. Loan period in years, 1, Actual number of payments, 10. The free downloadable Excel template includes different grace periods, no grace periods, random moratorium selection, and moratorium period range. Loan Amortization Schedule outlines the interest and principal payments owed on a mortgage, including the outstanding balance. Fundwave makes it possible for investors to plugin variables such as principal, interest rates, moratorium periods, etc to set up an amortization schedule. This amortization schedule is on the worksheet labeled Fixed Schedule. Except in the case of emergency rules, no rule or document of general applicability and legal effect shall become effective until it.