Financial Formulas - Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book

otherwise:
2
( )Sx
n – 1
1 1
Sx = ------------------------------------------------------------------- -
p
1
1
---- - Sx
S = ---- - +
p
n
n
2
1
df = n + n – 2
1 2
and is the pooled variance.
Sxp

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
( × ( ) )
y ln x + 1
[ ] 1 –
i = e
where 0
PMT
ƒ
÷
y
: =
C/Y
x
(.01 ×
=
C/Y
= compounding periods per year
P/Y
= payment periods per year
I%
= interest rate per year
(
1
– FV
( ÷ )
i = PV
where: = 0
PMT
2
( )Sx
+ n – 1
2 2
df
P/Y
) ÷
I% C/Y
÷ )
N
– 1
Appendix B: Reference Information 387