•
The
displays
and
illustrations
(such as
key markings)
shown
in
this
User's
Guide
are
for illustrative
pur-
poses
only,
and may
differ
somewhat
from the actual
items
they
represent.
•
The
contents of.
this
manual
are subject
to
change
.
without
notice.
•
)n no
event shall
CASIO
Computer
Co.,
Ltd. be
liable
to
anyone
for
special,
collateral,
incidental,
or con-
sequential
damages
in connection
with
or
arising
out
of
the
purchase
or
use
of
these
materials.
Moreover,
CASIO
Computer
Co.,
Ltd.
shall
not be
liable
for any
claim
of any
kind
whatsoever
against
the use of
these
materials,
by
any
other
party.
•
The
displays
and
illustrations
(such
as
key
markings)
> shown
in this
User's
Guide
are
for
illustrative
pur-
poses
only,
and
may
differ
somewhat
from
the
actual
items
they
represent
•
The
contents
ol
this
manual
are
subject
to
change
without
notice.
•
}n
no event
shall
CASIO
Computer
Co.,
Ltd.
be
liable
•
;• to
anyone
for special,
collateral,
incidental,
or
con-
sequential
damages
in
connection
with
or
arising
out
of the
purchase
or
use
of
these
materials.
Moreover,
CASIO
Computer
Co.,
Ltd.
shall
not
be
liable
for
any
"
.claim
of
any
kind
whatsoever
against
the
use
of
these
materials
by any
other
party.
•
Be
sure to
press
the
P button on
the
back of
the
cal-
culator (step
®
on
page 29 or
30)
before
using
it
for
the
first time
(
fx-82TL/fx-83WA/fx-270W
PLUS/fx-
350TL).
'
•
Be
sure to press
the G>s)
key
before
using the
calcu-
lator for
the
first
time
(fx-85W/fx-85WA/fx-300W/fx-
911W).
-
•
Even
if the
calculator
is operating
normally,
replace
the
battery at
least
once
every three
years
for
the
fx-83WA/fx-85W/fx-85WA/fx-270W
PLUS/fx-300W/
fx-350TUfx-911
W, or at
least once
every
two
years
forthefx-82TL.
Dead
battery
can
leak, causing
damage
to and
malfunc-
tion
of the
calculator.
Never leave the
dead
battery
in the
calculator.'
•
The
battery
that
comes
with the
calculator
when
you
purchase
It is for
testing
only. It
may
not
provide
full
service
life.
•
Low
battery
power,
can
cause
memory
contents
to
.
become
corrupted or
lost
completely.
Always
keep
written
records of
all
important
data.
I
*2«
...driBflBSHHNR
•
Be
sure
to
press
the
P
button
on
the
back
of
the
cal-
culator
(step
©
on page
29
or
30)
before
using
It for
the first
time
(
fx-82TLrtx-83WA/fx-270W
PLUS/fx-
350TL).
•
Be
sure
to
press
the
ED
key
before
using
the
calcu-
lator for
the
first time
(fx-85W/fx-85WA/fx-300W/fx-
911W).
'
;
.
..•
Even
If
the
calculator
is
operating
normally,
replace
the
battery
at
least
once
every
three
years
for
the
fx-teWA/fx-8SW/fx-85WA/fx-270W
PLUS/fx-300W/
fx-350TL/fx-911
W,
or
at
least
once
every
two years
for
the fx-82TL.
1
Dead
battery can
leak,
causing
damage
to and
malfunc-
tion of the
calculator.
Never
leave
the
dead
battery in
the
calculator.
•
The battery
that
comes
with
the
calculator
when
you
purchase
it
is for
testing
only.
It may
not provide
full
service life.
r
.
5
.
;
w;
v-,i.,..
•
Low
battery
power,
can
cause
memory
contents
to
.
become-
corrupted
or
lost
completely.
Always keep
written records
of alf
important
data.
1
»2»
•
Avoid
use
and
storage
in
areas
subjected
to
tempera-
ture
extremes.
Very
low
temperatures
can
cause
slow
display
response,
total
failure
of
the
display,
and
shortening
of
battery
life.
Also
avoid
leaving
the
calculator
in
direct
sunlight,
near
a
window,
near a
heater
or
anywhere
else
it
might
be-
come
exposed
to
very
high
temperatures.
Heat
can
cause
*
•
olscoidratfqnordeiari^
and
damage
to
internal
circuitry.
•
Avoid
use
and
storage
In
areas
subjected
to
large
amounts
of
humidity
and
dust
Take
care
never to
leave
the
calculator
where
it
might be
splashed
by
water or
exposed
to
large
amounts
of
hu-
midity
or
dust
Such
elements
can
damage
internal
cir-
cuitry.
•
Never
drop
the
calculator
or
otherwise
subject
it
to
strong
impact
•
Never
twist
or
bend
the
calculator.
Avoid
carrying
the
calculator
in
the
pocket
of
your
trou-
sers
or
other
tight-fitting
clothing
where
it
might
be
sub-
jected
to
twisting or
bending.
•
Never
try
to
take the
calculator
apart
•
Neverpress
the
keys
ofthecalculatorwithaball-point
pen
or
other
pointed
object
•
Use
a
soft,
dry cloth
to
clean
trie
exterior
of
the
unit
If
the
calculator
becomes
very
dirty,
wipe
it
off
with
a
cloth
moistened
in
a
weak
solution
of
water
and a
mild
neutral
household
detergent
Wring
out
all
excess
mois-
ture
before
wiping the
calculator.
Never
use
thinner,
ben-
zine
or
other
volatile
agents
to
clean
the
calculator.
Do-
ing so
can
remove
printed
markings
and
damage
the
case.
•
Avoid
use and
storage
in areas
subjected
to
tempera-
ture
extremes.
Very
low
temperatures
can
cause slow
display
response,
total
failure
of
the display,
and
shortening
of battery
life.
Also avoid
leaving
the
calculator
in
direct sunlight
near
a
window, near
a heater
or
anywhere else it
might be-
.
come exposed to very high
temperatures.
Heat can
cause
discoloration or deformation
of
the calculator's
case,
and.
damage to internal circuitry,
•
Avoid
use
and storage
In areas subjected to
large
amounts
of
humidity and dust
Take care never to leave the calculator where it
might be
splashed by
water
or exposed
to
large amounts
of hu-
midity or dust Such
elements
can
damage
internal
cir-
.
cuitry.
•
Never drop
the calculator or
otherwise
subject
it to
strong
Impact
•
Never
twist or bend
the
calculator.
Avoid
carrying
the
calculator
in
the
pocket of
your
trou-
sers
or other tight-fitting clothing
where
it
might be
sub-
jected to
twisting
or bending.
•
Never try to take
the calculator
apart
•
Neverpress the
keys
of
the
calculator
with a
ball-point
pen
or other
pointed object
•
Use a
soft,
dry cloth
to
clean the
exterior
of
the
unit
If
the
calculator
becomes
very
dirty, wipe
it off
with
a
cloth
moistened
in
a
weak solution of
water
and a
mild
neutral household
detergent
Wring
out
all excess
mois-
.
ture
before wiping
the calculator.
Never use
thinner,
ben-
zine or other
volatile
agents
to clean the
calculator.
Do-
ing
so can
remove
printed
markings and
damage
the
case.
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