Prepayment Calculator Calculate the effects of prepaying. Mortgage Analyzer Calculator Calculate a payment and balance summary, and then see the results in an amortization schedule. Mortgage Isolator Calculator Isolate a variable in the determinants of a mortgage payment. Maximum Mortgage Calculator Calculate the maximum mortgage amount you qualify for based on your income. Rent vs. Buy Calculator Determine which is more economical, renting or buying, based on your payments and accommodation schedule.