User Guide

Sx
p
n
1
1–()Sx
1
2
n
2
1–()Sx
2
2
+
df
--------------------------------------------------------------------=
S
1
n
1
-----
1
n
2
-----
Sx
p
+=
df n
1
n
2
2–+=
ie
yx1+()ln×()
[]1–=
i
–
FV PV÷()
1 N÷()
1–=
Appendix B: Reference Information 387
otherwise:
and Sxp is the pooled variance.
Financial Formulas
This section contains financial formulas for computing time value of money, amortization, cash
flow, interest-rate conversions, and days between dates.
Time Value of Money
where: PMT = 0
where
:
PMT
y
x
C/Y
P/Y
I%
ƒ
=
=
=
=
=
0
C/Y ÷ P/Y
(.01 × I%) ÷ C/Y
compounding periods per year
payment periods per year
interest rate per year