Documentation for package :finance

Author: R. Scott McIntire

Version: 1.0

Overview

Functions to compute loan financing. Loans are assumed to compound monthly.

Function summary:

calc-num-payments    : Calculate the number of payments to make for a loan 
                       given: the initial debt; the annual interest rate; 
                       and the monthly payment.

display-num-payments : Display the number of payments to make for a loan.
                       (uses calc-num-payments)

calc-monthly-payments   : Calculate the monthly payments for a loan 
                          given: initial debt; years to pay; and the 
                          annual interest rate.

display-monthly-payments: Display the number of payments to make for a loan.
                          (uses calc-num-payments)

calc-initial-debt    : Calculate the initial debt given: years to pay;
                       the annual interest rate; and the monthly payment.

display-initial-debt : Display the initial debt of a loan.
                       (uses calc-initial-debt)

calc-interest-rate   : Calculate the annual interest rate given: 
                       the years to pay; the annual interest rate; 
                       and the monthly payment.

display-interest-rate: Display the interest rate of a loan.
                       (uses calc-initial-debt)

Documentation for package :finance

Author: R. Scott McIntire

Version: 1.0

Overview

calc-initial-debt (years-to-pay annual-interest-rate monthly-payment)

calc-interest-rate (initial-debt monthly-payment years)

calc-monthly-payment (debt years-to-pay annual-interest-rate)

calc-num-payments (initial-debt annual-interest-rate monthly-payment)

display-initial-debt (years-to-pay annual-interest-rate monthly-payment)

display-interest-rate (initial-debt monthly-payment years)

display-monthly-payment (debt years-to-pay annual-interest-rate)

display-num-payments (initial-debt annual-interest-rate monthly-payment)