HP 12C Financial calculator - Manual (Page 185)

185
File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 185 of 209
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Appendix D
Formulas Used
Percentage
100
) Rate( ) Base(
%
x y ×
=
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛ −
= ∆
) Base(
) Base( ) NewAmount(
100 %
y
y x
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
=
) Total(
) Amount(
100 %T
y
x
Interest
n = number of compounding periods.
i = periodic interest rate, expressed as a decimal.
PV = present value.
FV = future value or balance.
PMT = periodic payment.
S = payment mode factor (0 or 1) indicating treatment of PMT.
0 corresponds to End, 1 to Begin.
I = interest amount.
INTG (n) = integer portion of n.
FRAC (n) = fractional portion of n.
Simple Interest
i PV
n
I Ч Ч =
360
360
i PV
n
I Ч Ч =
365
365