Texas Instruments TI-84 Plus Guide Book

Appendix B: Reference Information 639
Cash Flow
Cash FlowCash 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 ConversionsInterest Rate Conversions
Interest Rate Conversions
4
Eff =
where:
x
=
.01 × Nom ÷ CP
npv( ) CF
0
CF
j
1 i+()
-
S
j
1–
11i+()
-
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)–×

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-