HP 12c financial calculator 사용자 설명서
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
×
×
=
360
360
i
PV
n
I
×
×
=
365
365