HP -225 Owner's Manual page 147

Since the calculated value of N is between 5 and 6, it will take six
years of annual compounding to achieve a balance of at least $3,000.
The actual balance at the end of six years can be calculated:
B(soLve] {F} P?0.80 Selects F, prompts for
P.
177.20 Retains previous P.
N?5.83 Retains previous I.
6 B?-2,000.00 Stores N, prompts for
B.
F=3,035.28 Retains previous B, cal-
culates F.
8: Additional Examples 139