Casio fx-3800P User Manual

®
Obtains
the
xth
power
of
e
(2.718281828)
of
the
displayed
value
when
pressed
after
the GHIF
key.
e Inputs
or converts
a binary
value
in the
BASE-n
mode.
(21) flog) Common logarithm/Natural logarithm key
®@
Obtains
the
common
logarithm
(base
10)
of
the
displayed
value.
@
Obtains
the
natural
logarithm
(base
e=2.7182818.
..)
of
the
displayed
value
when
pressed
after
the
GHFn
key.
e
Inputs
or
converts
an
octal
value
in
the
BASE-nmode.
(22) Reciprocal/Factorial key
e
Obtains
the
reciprocal
of
the
displayed
value.
®
Obtains
the
factorial
of
the
displayed
value
when
pressed
after
the
GH
key.
(23)
Sexagesimal/Decimal
conversion
key
@
Converts
the
sexagesimal
figure
to
decimal
notation.
©
Converts
the
decimal
notation
to
sexagesimal
notation
when
pressed
after
the
Gilkey,
sin-*
(24)
©
Sine/Arc
sine
key
®
Obtains
the
sine
of
the
displayed
angle.
e
Obtains
the
angle
when
pressed
after
the
GH
key,
cos
(25)
Cosine/Arc
cosine
key
@
Obtains
the
cosine
of
the
displayed
angle.
e
Obtains
the
angle
when
pressed
after
the
Gum)
key,
tan
(26) 9 Tangent/Arc tangent key
@
Obtains
the
tangent
of
the
displayed
angle.
©
Obtains
the
angle
when
pressed
after
the
key.
(27) Hyperbolic key
©
Obtains
the
hyperbolic
functions
in
combination
with
the
Gq),
3
or
faikey,
©
Obtains
the
inverse
hyperbolic
functions
in
combination
with
the
@@,
wor
f@
key
when
pressed
after
the
Gurlkey.
*
Keys
@
through
&
are
used
in
the
BASE-n
mode
for
input
of
hexadecimal
values
Ais
through
Fig
(10,5
—
15j,
).
(28) Sign change/Cube root key
©
Changes
the
sign
of
the
displayed
value
from
positive
to
negative
or
vice
versa.
Also
changes
the
sign
of
the
exponent
when
pressed
after
the
&
key.
©
Obtains
the
cube
root
of
the
displayed
value
when
pressed
after
the
Gat)
key.
(29) Gi Engineering key
Allows
the
displayed
number
to
be
shown
with
exponents
of
ten
that
are
multiples
of
three
(e.g.,
103,
10°,
10°).
Ex.)
1203456
12.3456
12033456
c=)
12.3456
00
0.0123456
°
|
_:12345,6~03)
0.000012345
@
|
12345600,
-°°
0.000000012
°9
@
|__12345600.
“06
12345600,
-°§
&
0.000000012
°9
0.000012345
08
0.0123456
9°
(30) gon All clear key
@Clears the entire machine except the independent and constant memories, and also
releases
overflow
or
error
check,
®@
Clears
contents
of
all
constant
memories
when
pressed
after
the
GH)
key.
@ It also overrides the auto power-off function.
PCL
(31) Clear key
®@ Clears entry for correction.
@ Press (Hift) gm to clear programs while LRN is displayed.
(32) cbtch Program area keys
This
calculator
is
capable
of
holding
four
programs
up
to
135
steps
in
total.
I(II)
will
be designated
when you press G) ({1)) and III(IV)
when you press it after the
key.
A
program
area
must
be
designated
for
executing
a
programmed
calculation.
(33)
&4
RUN/ENT/HLT
key
aWhen a program is being written, depression of this key writes a halt
instruction.
In the programmed operation mode, depression of this key restarts execution which
has been temporarily suspended.
e@)
-:
When
“LRN”
is
displayed
(i.e.during
program
loading),
depression
of
this
key
writes a halt instruction for data entry.
@
Gut)
()
:
When
“LRN”
is
displayed,
depression
of
this
sequence
writes
a
halt
instruc-
tion
for
the
display
of
a
result.
: When execution is at a halt during programmed operation, depression of this
key restarts execution.
© fl
Sa et or ee ni can i eae ian arepeomeemcanegts
2/BATTERY MAINTENANCE
One
lithium
battery
(Type:
CR2025C)
gives
approximately
1300
hours
continuous
operation.
When
battery
power
decreases,
the
whole
display
darkens.
Battery
should
then
be
renewed.
Be sure
to switch
OFF
the
power
before
changing.
1)
Slide
open
the
battery
compartment
lid
on
the
back
of
the
unit.
2)
Remove
dead
battery
and
insert
new
battery
with
the
plus
terminal
(flat
side)
on
top.
3)
Replace
the
battery
compartment
lid.
4) Press
(aoe)
(=) (SHEN
a Cy MFT)
Qe (Hone)
Ga HFT)
Gy (wane)
(GH) (one)
(S) wore)
CO)
we)
(©) wo)
G] in
sequence.
*
Before
inserting
the
new
battery,
be
sure
to
thoroughly
wipe
it
off
with
adry
cloth
to maintain
good
contacts.
* Never
leave
dead
battery
in the
battery
compartment.
*
Remove
the
battery
when
not
using
for
an
extended
period.
*
It
is
recommended
that
battery
be
replaced
every
2
years
to
prevent
the
chance
of
malfunctions
due
to battery
leakage.
*Keep
the
batteries
away
from
children.
If swallowed
consult
your
doctor
immediately.
cae aa eS Haan BLS

Casio fx-3800P Specifications

General

Brand	Casio
Model	fx-3800P
Category	Calculator
Language	English