Annuity Present Value: Defined Annuity Present Value Rate

Present Value Rate for a Fixed Annuity with an Annual Interest Rate i (%) and p Payments per Year over n Years
This is the present value rate (compounded) for an annuity where 1 yen is paid annually in p installments (1/p yen every 12/p months) for n years.
(It also calculates the average of the present value rates for a fixed annuity paid annually at the end of the period and a fixed annuity paid annually at the beginning of the period.)