Loan (typical) Loan (advanced) Canadian Mortgage Lease (typical) Lease (advanced) APR (typical) APR (advanced) Formulas Math Scenario 1: Find the Monthly Payment Loan Amount ( C ) : Interest Rate % ( R ) : Number of Months ( N ) : Monthly Payment ( P ) : Number of Months ( N ) : Interest Rate % ( R ) : For given C , P and N , one can only solve the following equation for r by numerical means. Given the rather smooth behavior of this equation, this calculator employs the Newton-Raphson met... Scenario 3: Find the Number of Payments Loan Amount ( C ) : Interest Rate % ( R ) :