Texas Instruments -84 Plus, Manual Book

Page: 642 / 696

Appendix B: Reference Information 639
Cash Flow Cash Flow Cash Flow Cash Flow
where:
Net present value is dependent on the values of the initial cash flow (
CF
0
), subsequent
cash flows (
CFj
), frequency of each cash flow (
nj
), and the specified interest rate (
i
).
irr
() =
100
×
i
, where
i
satisfies
npv
() =
0
Internal rate of return is dependent on the values of the initial cash flow (
CF
0) and
subsequent cash flows (
CFj
).
i
=
I
%
÷
100
Interest Rate Conversions Interest Rate Conversions Interest Rate Conversions Interest Rate Conversions
4
Eff
=
where: x = . 01
×
Nom
÷
CP
npv ( ) CF
0
CF
j
1 i +
( )
-
S
j
1 –
1 1 i +
( )
-
n
j
–
( )
i
-----------------------------------
j 1 =
N
∑
+ =
S
j
n
i
i 1 =
j
∑
j 1
≥
0 j 0 =
⎩
⎪
⎪
⎨
⎪
⎪
⎧
=
100 ( e
CP x 1 +
( )
ln
×
1) –
×