Korder Of Operations - Casio FX-820MS User Manual

Casio calculator user manual
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k Order of Operations
Calculations are performed in the following order of prec-
edence.
1 Coordinate transformation: Pol (
2 Type A functions:
With these functions, the value is entered and then the
function key is pressed.
3
2
1
x
x
x
,
,
m
m
m
,
,
,
1
2
Angle unit conversions (DRG
3 Powers and roots:
b
/
a
4
c
5 Abbreviated multiplication format in front of
logarithm base), memory name, or variable name: 2
π
e
3
, 5A,
6 Type B functions:
With these functions, the function key is pressed and
then the value is entered.
3
,
1
tan
, sinh, cosh, tanh, sinh
7 Abbreviated multiplication format in front of Type B func-
tions: 2 3, Alog2, etc.
8 Permutation and combination:
, Ö
9
0
,
• Operations of the same precedence are performed from
right to left.
• Other operations are performed from left to right.
• Operations enclosed in parentheses are performed first.
• When a calculation contains an argument that is
a negative number, the negative number must be
enclosed within parentheses. The negative sign (–) is
treated as a Type B function, so par ticular care is
required when the calculation includes a high-priority
Type A function, or power or root operations.
Example: ( –2)
!, ° ' "
x
,
n
^ (x
A, etc.
x
e
, log, In,
, 10
x
120 →
e
In
4
= 16
4
–2
= –16
x
y
,
'
)
y
x
)
,
x
, sin, cos, tan, sin
1
, cosh
n
r
P
x
e
{In(
E-30
, θ )
r
), Rec (
π
e
,
1
, cos
1
1
, tanh
, ( )
n
r
,
C
120)}
(natural
π
,
1
,

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