Texas Instruments BA II Plus User Manual

Appendix: Reference Information 131
AOS™ (Algebraic Operating System) Calculations
If you select
AOS
(rather than
Chn
) as the calculation method,
the calculator uses the standard rules of algebraic hierarchy to
determine the order in which operations are performed.
Algebraic Hierarchy
The table below shows the order in which operations are
performed when
AOS
is selected as the calculation method.
Priority Operations
1 (highest)
x
2
,
x!
,
1/x
,
%
,
x
,
LN
,
e
2
,
HYP
,
SIN
,
COS
,
TAN
2
nCr
,
nPr
3
yx
4
Q
,
P
5
+
,
-
6
)
7 (lowest)
=

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