keybd INPUT yes screen OUTPUT lf swiss13 on %power,%pymt 1 list fmt \n\N:=\F yes 1 yes fixed 2 degrees off 5.00 -5.00 5.00 -5.00 5 5 home,home apr Annual periodic interest rate 0.10 home In this example is computed the monthly payment on an n year loan with a begining balance of prin, and an annual percentage rate of apr. set value of prin to beginning balance. set value of apr to annual percentage rate. set value of n to number of monthly payments. Position to the pymt cell, and choose evaluate from the main menu. The pymt amount is negative because it is paid out. Choose Report from the special menu to see a summary of the formulas used to produce this result. -322.67 i Interest per period is 1/12 apr if payments are made monthly. 0.01 n Number of monthly payments 36 power an intermediate result prin principal amount to be paid off in n monthly payments at an annual interest rate of apr% 10000 pymt Monthly payment -322.67