Appendix B: More About Calculations
II
Time Value of Money (TVM)
Payment Mode Factor: S = 0 for End mode; 1 for Begin mode.
Amortization
BAL
is initially
PV
rounded to the current display setting.
PMT
is initially
PMT
rounded to the current display setting.
For each payment amortized:
Interest Rate Conversions
i
%
I/YR
P/YR
-------------
=
0
PV
1
i
%
S
×
100
---------------
+
⎝
⎠
⎛
⎞
+
PMT
1
1
i
%
100
--------
+
⎝
⎠
⎛
⎞
N
–
–
i
%
100
--------
--------------------------------------
⎝
⎠
⎜
⎟
⎜
⎟
⎜
⎟
⎛
⎞
×
×
FV
+
1
i
%
100
--------
+
⎝
⎠
⎛
⎞
N
–
×
=
Σ
INT
= accumulated interest
Σ
PRN
= accumulated principal
i
= periodic interest rate
INT'
=
BAL
×
i
(
INT'
is rounded to the current display setting;
INT’
= 0 for period 0 in Begin mode.)
INT
=
INT'
(with sign of
PMT
)
PRN
=
PMT
+
INT'
BAL
new
=
BAL
old
+
PRN
Σ
INT
new
=
Σ
INT
old
+
INT
Σ
PRN
new
=
Σ
PRN
old
+
PRN
i
I YR
⁄
P YR
100
×
⁄
-----------------------------
=
EFF
%
1
NOM
%
100
P YR
⁄
×
-----------------------------
+
⎝
⎠
⎛
⎞
P YR
⁄
1
–
⎝
⎠
⎛
⎞
100
×
=
Содержание 10bII+
Страница 1: ...i HP 10bII Financial Calculator User s Guide HP Part Number NW239 90001 Edition 1 May 2010 ...
Страница 3: ...iii HP 10bII Financial Calculator ...
Страница 30: ...At a Glance 22 ...
Страница 144: ...Statistical Calculations 136 ...
Страница 183: ...Warranty Regulatory and Contact Information 9 ...
Страница 184: ...Warranty Regulatory and Contact Information 10 ...