A Appendix - Reference Information; Formulas - Texas Instruments BA II PLUS User Manual

Appendix — Reference Information
This appendix includes supplemental information to help you use your
BA II PLUSé calculator:
•

Formulas

• Error conditions
• Accuracy information
• IRR (internal-rate-of-return) calculations
• Algebraic operating system (AOS™)
• Battery information
• In case of difficulty
• TI product service and warranty information
Formulas
This section lists formulas used internally by the calculator.
Time Value of Money
( × (
y ln x +
[
i = e
Ā0
where:
PMT
=
y C/Y
=(.01 Q
x
C/Y =compounding periods per year
=payment periods per year
P/Y
=interest rate per year
I/Y
( ÷
– FV
i = PV
where: =0
PMT
The iteration used to compute
0 = PV + PMT G
Appendix — Reference Information
) )
1
] 1 –
P
P/Y
) P
I/Y C/Y
( ÷ )
1 N
)
– 1
i
(
1 – 1 +
×
----------------------------- -
i
i
:
– N
)
i
× (
+ FV 1
– N
)
+ i
A
83