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250 B: More About Calculations
File name : 17BII-Plus-Manual-E-PRINT-030709 Print data : 2003/7/11
−+
−+
+
−×
+
∑
=
＝
＋
1
1
1
1
%
%
1
DSC
N
E
N
DSC
K
K
E
CALL
PRICE
Y
M
CPN
ACPN
M
EM
Y
M
The “end-of-month” convention is used to determine coupon dates in the
following exceptional situations. (This affects calculations for YLD%,
PRICE, and ACCRU.)
! If the maturity date falls on the last day of the month, then the coupon
payments will also fall on the last day of the month. For example, a
semiannual bond that matures on September 30 will have coupon
payment dates on March 31 and September 30.
! If the maturity date of a semiannual bond falls on August 29 or 30,
then the February coupon payment dates will fall on the last day of
February (28, or 29 in leap years).
Depreciation Calculations
For the given year, YR#:
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×
−
−
×−+
+
×
×
×−
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＝
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＝
(# 1)
%
100
( # 1)
( 1)
2
%/100 ( %/100)
1
YR
ACRS
ACRS BASIS
BASIS SALV
SL
LIFE
BASIS SALV
SOYD LIFE YR
LIFE
LIFE
BASIS FACT FACT
DB
LIFE LIFE