Casio fx-180P - Before Using the Calculator; Operation Precedence and Error Handling

et
eal
is
td
Saree
oo
Bye
Ree
ee
8
LL
ZZ
Or
regression
analysis,
the
G8)
4D)
for
carrying
out
integral,
ard
the
RUN
Slog
Mode
(00
J)
for
Ordinary
arithmetic
and
functional
caicutations
—9,99
~107
107
g
10-9°
10°?
1
10°
9.9999999a9
Select
the
LRN
mode
{
x1
x
109°
Whatever
angular
unit
is
displayed
does
not
matter
in
calculation
which
does
not
use
R
rer
re,
‘
\
angular
data,
Normal
display
GA
Scientific
notation
[
®
Precedence
of
Operations
and
precedence
levels
i
When
the
answer
exceeds
the
normal
display
capacity,
it
is
automatically
shown
by
©
This
caicutator
automatically
evaluates
Precedence
of
operations
and
executes
in
the
!
scientifid
Notation,
10-digit
mantissa
ana
exponents
of
10
up
to
#99,
Proper
sequence
thus
determined,
The
precedence
of
operations
is
as
follows,
:
|
®
Functions
Operations
of
the
same
precedence
will
be
car.
'
~1.23456789799
@x:
x
Sei
=?
oe
ried
out
in
the
order
of
input
An
expression
Multiplication
and
division
enciased
with
a
hair
of
parentheses
wil
be
given
:
WAddition
and
subtraction
the
highest
precedence
level,
i
®
@®
@@
«
Internal
registers
L1
to
L6
are
used
to
retain
intermediate
results
of
operations,
@
The
mhinus
{--)
sign
for
mantissa
eeiaing
©xpressions
enclosed
with
Parentheses,
which
have
low
precedence
levels,
@
The
ahantissa
herefore,
intermediate
results
of
UD
to
six
levels
may
be
retained,
i+
;
©
Up
to
three
nested
Parentheses
will
be
given
the
same
precedence
level,
As
a
result,
®
The
anus
:{=)
sign
for
exponent
parentheses
can
be
nested
up
to
18
Pairs,
®
The
exponent
of
ten
*"
How
to
ie
Precedence
levels
{an
example
of
4
levels
and
5
pairs
of
nested
The
wholp
display
is
read:
—1.23456789
x
10°*
Parentheses,
Expression:
2x
({(8+4x
(1544)
+3}
+5}
+9)
=
“Entry
can
be
made
in
scientific
Notation
by
using
the
&@
key
after
entering
the
Entry
operation:
+
mantissa,
¥
op
2B
SS6304080sm49039@esanoan
mantiss
llevel
1
level
1
level
7
level
EXAMPL
OPERATION
READ-OUT
Contents
of
registers
when
=
-3
entry
has
proceeded
to
@
1.23456789x10
113234567894
{=~0.00123456789)
fa
i
3m
—1.23456789
—1.23456789
00
—1.23456789-93
™
Overflow
or
error
check
Overflow
dr
error
is
indicated
by
the
“E."
or
“C."
sign
and
stops
further
calculations.
Overflow
or
error
occurs:
1}
When
dn
answer,
whether
intermediate
or
final,
or
accumulated
total
in
the
indepentent
memary
is
more
than
7
x
10!
(rE
sign
appears),
Correction
2}
When
function
calculations
are
performed
with
a
number
exceeding
the
input
range
If
you
are
aware
of
data
entry
error
before
pressing
a
command
k
ess
"E.”
sign
appears),
;
re-input
the
correct
data,
P
46
vond
key,
press
@
and
,
3)
When
uhreasonable
Operations
are
performed
in
Statistical
calculatians
("E.
sign
In
a
series
of
calculations,
you
can
Correct
a
wrong
intermediate
result
of
a
functional
appears},
ee
:
.
-alculation
or
within
nested
Parentheses:
press
@
and
calculate
the
correct
value
|
Ex.)
Yop
attempt
to
obtain
¥
or
On
without
any
input
data
(n=O)
as
hen
resume
the
interrupted
sequence
of
calculations.
:
"4)
When
the
total
number
of
levels
of
explicitly
and/or
implicitly
(with
additian-
»
Subtraction
versus
multiptication-division
including
x”
and
x's)
nested
Parentheses
i
used.
("C.""
sign
appears.)
Ex.)
You
have
pressed
the
&}
key
18
times
continuously
before
designating
the
sequence
of
BBG.
To
release
these
overflow
checks:
1),2),3)
0000,
Press
the
@
key,
Nee.
LL
Press
the
&
key.
Or
press
the
G@
key,
and
the
intermediate
result
i
just
before
the
overflow
occurs
is
dispiayed
and
the
subsequent
calculation
is
Possibla,
-10—
f
you
have
pressed
8,863.8,
We
&
€?
by
mistake,
you
May
press
the
correct
ey
immediately,
Note
that,
though
the
correct
operation
overrides
the
wrong
one
lesignated
first,
the
precedence
of
operation
of
the
first
command
remains
effective,
@ x
a
a 2 ted
° S
3 3
2 Cy
= >
ow 3
fe)
5°]
2 5 a
° Ss
5°)
oa 3 3
=. >
g
&
2s 3
i
©
!
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