Loan Name Calculate Payment amountLoan amountInterest rate Enter the other three loan terms. The one chosen here is calculated from them, before any activity added below. Interest calculation Activity Add a row for anything that departs from the regular payments: an extra payment, more money borrowed, a rate change, a new payment amount, or a balloon payoff. Rows can be entered in any order; they are placed by date and the rest of the schedule is recalculated. The payment stays the same after a change unless a "Recalculate payment" row re-levels it to pay the loan off by the original final payment date. Add an activity row