HP 12C Financial calculator - Manual (Page 190)

190 Appendix D: Formulas Used
File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 190 of 209
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Program for partial year:
) (
12
1
1
SAL SBV
Y
SOYD
L
DPN − ⋅ ⎟
⎠
⎞
⎜
⎝
⎛
⋅ ⎟
⎠
⎞
⎜
⎝
⎛
=
) (
2
1
SAL D SBV
SOYD
j LADJ
DPN
LADJ
j
− − ⋅
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛ + −
=
for j ≠ 1
where
⎟
⎠
⎞
⎜
⎝
⎛
− =
12
1
Y
L LADJ
Declining-Balance Depreciation
Keyboard function:
L
FACT
RBV DPN
j j
100
1
⋅ =
−
for j = 1, 2, …, L
Program for partial first year:
12 100
1
1
Y
L
FACT
SBV DPN ⋅ ⋅ =
L
FACT
RBV DPN
j j
100
1
⋅ =
−
for j ≠ 1
Modified Internal Rate of Return
n = number of compounding periods.
NFV
P
= Net future value of the positive cash flows.
NPV
N
= Net present value of the negative cash flows.
⎥
⎥
⎥
⎦
⎤
⎢
⎢
⎢
⎣
⎡
−
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
−
= 1 100
1
n
N
P
NPV
NFV
MIRR
Advance Payments
A = number of payments made in advance.
⎥
⎥
⎦
⎤
⎢
⎢
⎣
⎡
+
+ −
+ −
=
− −
−
A
i
i
i FV PV
PMT
A n
n
) ( ) 1 ( 1
) 1 (