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TVM
S
:
payment mode factor (O'for End mode; 1
for
Begin
mode).
i"/"
:
lo/oYR
P
/YR
0:
nv +
(r
. #)
x pMr x uspv
(P/":n)
*
FV
x
Sppv
(io/o:n)
Amortization
>INT
:
accumulated interest
>PRIN
:
accumulated principal
i :
periodic interest
rate
BAL
is
initially the TVM
value
of
PV,
rounded
to the
current display
setting.
PMT is
initially
the TVM value of PMT rounded to the current display
setting.
loloYR
P
/YR
x
100
For each payment amortized:
INf
is rounded to the current display setting;
INT,
:
0 for period
0
in
Begin
mode.
INf
:BAL
x
i
INT
:
INT' (with
sign
of
PMf)
PRIN:PMT+/Nf
BALnew:
BAL16
+
PRIN
>lNTnew:2lNTs74
+
INT
>PR/Nnew
:
ZPRIN
s16
+
PRIN
G: Equations Used
by
HP-27S
tenus
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