Casio FX-115WA - Manual (Page 32)

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• Action
• Press
e
or
r
to display the calculation with the
cursor located at the location of the error. Make nec-
essary corrections.
Arg ERROR
• Cause
• Improper use of argument
• Action
• Press
e
or
r
to display the location of the cause of
the error and make required corrections.
k Order of Operations
Calculations are performed in the following order of prec-
edence.
1 Coordinate transformation: Pol (
x , y ), Rec ( r , θ)
2 Type A functions:
With these functions, the value is entered and then the
function key is pressed.
x 2
, x
Ҁ1
, x !, ° ’ ”
3 Powers and roots: x
y
,
x
4 a
b
/
c
5 Abbreviated multiplication format in front of π , memory
name, or variable name: 2 π , 5A, π A etc.
6 Type B functions:
With these functions, the function key is pressed and
then the value is entered.
,
3
, log, In, e
x
, 10
x
, sin, cos, tan, sin
Ҁ1
, cos
Ҁ1
,
tan
Ҁ1
, sinh, cosh, tanh, sinh
Ҁ1
, cosh
Ҁ1
, tanh
Ҁ1
, (
Ҁ)
7 Abbreviated multiplication format in front of Type B
functions: 2 3, Alog2 etc.
8 Permutation and combination: n P r , n C r
9 ҂, Ö
0
ѿ, Ҁ
* Operations of the same precedence are performed from
right to left. e
x
In 120 → e
x
{In( 120)}
Other operations are performed from left to right.
* Operations enclosed in parentheses are performed first.