Texas Instruments Calculator User Manual page 95

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:
Y

= +
Dur 1 ---- -

M
• For a bond price with more than one coupon period to redemption:
Depreciation
RDV CST SAL
N
=
DEP
Values for ,
decimals you choose to be displayed.
In the following formulas,
Straight-line depreciation
–
CST SAL
-------------------------- -
LIF
CST SAL
-------------------------- -
First year:
LIF
Last year or more:
Appendix — Reference Information
Rv
×
----------------------------------------- -
Dsr
+
1

⋅
--------------------------------------------------------------- -

×
E M Pri
N accumulated depreciation
RDV CST
, , and
FSTYR
–
×
FSTYR
DEP RDV
=
×
100 R
+
------------------
M
× 2
Dsr Y
 
------------------ -
 
×
E M
×
SAL
are rounded to the number of
MO
= (13 N 1) P 12.
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