Depreciation, Straight-line depreciation – Texas Instruments Calculator User Manual
Page 95
Appendix — Reference Information
91
where
Duration is calculated using one of the following formulas used to
calculate Macaulay duration:
•
For a bond price with one coupon period or less to redemption:
•
For a bond price with more than one coupon period to redemption:
Depreciation
RDV
=
CST
N
SAL
N accumulated depreciation
Values for
DEP
,
RDV
,
CST
, and
SAL
are rounded to the number of
decimals you choose to be displayed.
In the following formulas,
FSTYR
= (13
N
MO
1)
P 12.
Straight-line depreciation
First year:
Last year or more:
DEP
=
RDV
Dur
1
Y
M
-----
+
Dsr
Rv 100 R
×
M
------------------
+
1
Dsr Y
×
E M
Ч
-------------------
+
2
------------------------------------------
Ч
E M Pri
Ч
Ч
----------------------------------------------------------------
⋅
=
CST SAL
–
LIF
---------------------------
CST SAL
–
LIF
--------------------------- FSTYR
Ч