Casio fx-3800P User Manual

3/BEFORE
USING
THE
CALCULATOR
®
Operation
mode
and
calculation
mode
Two
different
modes
are
available
for
calculations
and
the
mode
used
depends
on
the
type
of
calculation
being
performed.
The
operation
mode
is
used
for
manual
calculations
and
program
storage.
The
calculation
mode
is
used
for
standard
caiculations,
as
well
as
binary/octal/decimal/hexadecimal
calculations,
standard
deviation,
and
regression
calculations.
®@ Operation mode
(1) RUN mode ( (400) ) )
Used
for
manual
calculations,
program
execution,
and
calculations
including
functions.
(2) LRN mode ( (606 Ge) )
Used
for
program
storage
and
erase
(LRN
displayed).
® Calculation mode
(1) COMP mode ( (one) (G) )
Used
for
standard
calculations
including
function
calculations.
(2)
BASE-n
mode
(
(woo)
(4)
)
Used
for
binary/octal/decimal/hexadecimal
conversions
and
calculations.
Cannot
be
used
for
function
calculations.
(3) LR mode ({ (oo) (2) )
Used
for
regression
calculations
(paired
variable
statistics)
(LR
displayed).
(4)
SD
mode
(
(aoe)
(3)
)
Used
for
standard
deviation
calculations
(SD
displayed).
The
modes
(operation/
calculation)
are
retained
when
power
is
switched
OFF.
Always
check
the
current
mode
in
effect
before
beginning
calculations.
@
Precedence
of
operations
and
precedence
levels
@
This
calculator
automatically
evaluates
precedence
of
operations
and
executes
in
the
proper
sequence
thus
determined.
The
precedence
of
operations
is
as
follows,
@
Functions
Operations
of
the
same
precedence
will
be
car-
@x?’,
xs
ried
out
in
the
order
of
input.
An
expression
@
Multiplication
and
division
enclosed
with
a
pair
of
parentheses
will
be
given
@
Addition
and
subtraction
the
highest
precedence
level.
@
Internal
registers
L1
to
L6
are
used
to
retain
intermediate
results
of
operations,
including
expressions
enclosed
with
parentheses,
which
have
low
precedence
levels,
Therefore,
intermediate
results
of
up
to
six
levels
may
be
retained,
@
Up
to
three
nested
parentheses
will
be
given
the
same
precedence
level.
As
a
result,
parentheses
can
be
nested
up
to
18
pairs.
*
How
to
evaluate
precedence
levels
(an
example
of
4
levels
and
5
pairs
of
nested
parentheses)
Expression:
2x
({(3+4x
{(5+4)
+3})
+5}
+9)
=
Entry
operation:
2B@MOMe3048060
59408
3008550898
1
level
1
level
7
level
1
level
Bm
-—9-
Contents
of
registers
when
entry
has
proceeded
to
@
=Correction
@|f
you
are
aware
of
data
entry
error
before
pressing
a
command
key,
press
&
and
re-input
the
correct
data.
@
in
aseries
of
calculations,
you
can
correct
a
wrong
intermediate
result
of
a
functional
calculation
or
within
nested
parentheses:
press
and
calculate
the
correct
value,
then resume the interrupted sequence of calculations.
e
If
you
have
pressed
G9.
G3.
63,69,
Gur)
©
or
gar?
by
mistake,
you
may
press
the
correct
key
immediately.
Note
that,
though
the
correct
operation
overrides
the
wrong
one
designated
first,
the
precedence
of
operation
of
the
first
command
remains effective.
=
Calculation
range
and
scientific
notation
—9.99999999
—1
~10°°
0
10°99
10°?
1.
10°
9,999999999
x
109°
x
10°°
MUMUUy7
Scientific
notation
When
the
answer
exceeds
the
normal
display
capacity,
it
is
automatically
shown
by
scientific
notation,
10-digit
mantissa
and
exponents
of
10
up
to
+99.
Normal display
—1.23456789799
®
@
@®
@
The
minus
(—)
sign
for
mantissa
@)
The
mantissa
@
The
minus
(—)
sign
for
exponent
@ The exponent of ten
The
whole
display
is
read:
—1.23456789
x
10°°°
*
Entry
can
be
made
in
scientific
notation
by
using
the
@§
key
after
entering
the
mantissa,
EXAMPLE
OPERATION
READ-OUT
—1.23456789
—1.23456789 0°
—1.23456789-°3
—1.23456789x1073
14123456789%
(=—0.00123456789)
5]
3%
—10-—

Casio fx-3800P Specifications

General

Brand	Casio
Model	fx-3800P
Category	Calculator
Language	English