MIL-HDBK-1004/10
APPENDIX D
PRESENT VALUE FORMULAE
Project Year 10 Percent Discount Factors
Table A Single Amount Factor:
r
n
n
a
=
(e
- 1)/re r
=
0.1/r(1.1)
n
Table B Cumulative Uniform Series Factor:
nr
n
n
n
b
=
(e
- 1)/re r
= [(1.1) -1]/r(1.1)
n
where
n=
number of years
e=
2.718281828459...,
the base of the natural logarithms
r=
ln(1 + R) = ln(1.1) = 0.09531018..., and
R=
0.10, the effective annual discount rate
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