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)
=
