Texas Instruments BA II Plus User Guide

Appendix — Reference Information 83
A
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
where: PMT Ā0
y =C/Y P P/Y
x
=(.01 Q I/Y) P C/Y
C/Y
=compounding periods per year
P/Y =payment periods per year
I/Y =interest rate per year
where:
PMT =0
The iteration used to compute
i:
ie
yx1+()ln×()
[]1–=
i
–
FV PV÷()
1 N÷()
1–=
0 PV PMT G
i
11i+()
N–
–
i
------------------------------
FV 1 i+()
N–
×+×+=

Texas Instruments BA II Plus Specifications

General

Type	Financial
Cover	-
Form factor	Pocket
Control type	Buttons
Product color	Black
Digits	10 digits
Display tilting	No
Display number of lines	1 lines
Memory registers	10
Power source	Battery