Annuities

Examples of 5% and 10%

Future value (FV) of an ordinary annuity =

P: r: t: n:


FV:  =   payments' total (P*n*t):  +  interest earned:

Note: an ordinary annuity's payment is made at the end of the period and does not earn interest that period.

Future value (FV) of an annuity due

FV = P * AnnuityTable[n*t+1][r/n] - P

P: r:%    t: n:


Compound sum (multiplier):
FV:  =   payments' total (P*n*t):  +  interest earned:

Periodic payment (Pmt) of an ordinary annuity =

FV: r: t: n:


Pmt:
Payments' total (P*n*t):      interest earned: