Casio fx-3800P User Manual

*
Different
functions
will
be
designated
when
)
you
press
{kout],
then
a
num
summarized
below.
=
ae
a
e
©
:
Calculation
of
Ex?
(square
sum
of
x)
e
>
Calculation
of
Zx
(total
sum
of
x)
e
GP:
Calculation
of
n
(number
of
data)
e
@
:
Calculation
of
Ly?
(square
sum
of
y)
e
:
Calculation
of
Zy
(total
sum
of
y)
e
©
:
Calculation
of
xy
(inner
product)
*
Use
SHED
3
,
SHE)
SR
and
GH
only
for
writing
programs
(in
“LRN”
mode).
@
(suirr,
Conditional
jump
Return
to
the
first
step
of
the
program
when
the
contents
of
the
X-register
(display)
is
positive
and
otherwise
go
to
the
next
step.”
@
(SH)
FW:
Conditional
jump
“Return
to
the
first
step
of
the
program
when
the
contents
of
the
X-register
is
equal
to
or
smaller
than
those
of
the
M-register
(independent
memory)
and
otherwise
go
to
the
next
step.”
©
(HT)
FR:
Unconditional
jump
(‘Return’)
Press
these
keys
to
return
to
the
first
step
of
the
program
unconditionally.
(6)
©
Exponent/Pi
entry
key
@
Enters
the
exponent
of
ten
up
to
+99.
To
enter
2.34
x
10
fore
|
(3)
@)
4
S)G)
in
sequence
(symbolized
by
©9),
ae
aa
©
Enters
circular
constant
in
10
digits
(3.141592654)
when
pressed.af
Cc
or
a
function
command
key
(symbolized
by
(7).
clas
(7)
Addition/Rectangular
>
polar
key
®
Enters
summands,
°
poms
rectangular
to
polar
co-ordinates
conversion
when
pressed
after
the
ey.
(8)
&?
Subtraction/Polar
>
rectangular
key
@
Enters
minuend.,
e
of
polar
to
rectangular
co-ordinates
conversion
when
pressed
after
the
(9)
©
Multiplication/Power
key
@
Enters
multiplicand,
@
Raises
the
base
x
to
yth
power
when
pressed
after
the
key.
(10)
©
Division/Root
key
@
Enters
dividend.
®
Calculates
the
yth
root
of
x
when
pressed
after
the
key.
(11)
©
Equal/Percent
key
@
Obtains
answer.
@
Perform
regular
percentages,
add-ons,
discounts,
ratios
and
increase/decrease
values
when
pressed
after
the
key.
(12)
©
Open
parenthesis/
Regression
analysis
data
input
key
®@
Opens
the
parentheses.
Nesting
of
up
to
18
parentheses
at
six
levels
is
allowed,
®
Enters
data
(x)
in
regression
analysis
(“-LR’’
mode).
—5-—
sci
(13)
Close
parenthesis/Regression
analysis
estimator
key
©
Closes
the
parentheses.
a”
@
Obtains
an
estimator
of
regression
in
regression
analysis
(“LR
mode).
Y
will
be
obtained
if
you
press
it
immediately
after
data
entry
and
2%
if
you
press
it
following
key after data entry.
(14)
fc)
Constant
memory
entry/Register
exchange
key
e
Enters
numbers
into
each
constant
memory,
through
operation
of
ENTRY
Ki)
@
(to
6).
Example: To enter 12.3 into constant memory 3.
1203k0) 8
@
Exchanges
the
displayed
number
(X-register)
with
the
content
of
the
working
register
(Y-register) when pressed after the (iif) key.
(Shift operations throughout this manual is indicated as (SHiFT) ¥).)
Xo :
(15)
Constant
memory
recall/Register
exchange
key
@
Recalls
the
contents
in
each
constant
memory
without
clearing,
through
operation
of
Kou) (to )).
Example: To recall the contents of constant memory 5.
&
@
Exchanges
the
displayed
number
(X-register)
with
the
contents
of
a
constant
memory
(K-register)
when
pressed
after
the
key.
Example:
To
exchange
the
contents
of
constant
memory
2
with
the
displayed
number,
(SMe
=n)
B)
(16)
Independent
memory
recall/Independent
memory
entry
key
@ Recalls the contents of the independent memory (M-register) without clearing.
@Puts
the
displayed
number
in
the
independent
memory
when
pressed
after
the
key.
Old
data
held
in
the
memory
will
be
automatically
erased.
a
(17)
Memory
plus
(minus)/Data
entry/delete
key
e Adds the displayed number to the contents of the independent memory, and obtains
answer
in
4
basic
calculations/x2/x¥
and
automatically
adds
it
to
the
contents
of
the
memory.
e
Subtracts
the
displayed
number
from
the
contents
of
the
independent
memory,
and
obtains
answer
in
4
basic
calculations/x2/x¥
and
automatically
subtracts
it
from
the
contents
of the memory
when pressed
after the GHFI key.
® The data entry/delete mode is specified when LR or SD is displayed.
pam)
....
Input
<data
(aia)
>
when
SD
is
displayed
and
<
x-data
G2)
y-data
(baa)
>
when LR is displayed.
f..
To
delete
data,
substitute
SHFGin
place
of
Gt)
in
the
above
procedure.
(18)
Square
root
key
@ Obtains
the square
root of the displayed
value.
@ |nputs
or converts
a decimal
value in the BASE-n
mode.
(19)
Square
key
e Squares the displayed value.
e Inputs er converts a hexadecimal value in the BASE-n mode.
(20)
fo}
Antilogarithm/Exponential
key
@ Obtains the xth power of 10 for of displayed value.
—-6-—

Casio fx-3800P Specifications

General

Brand	Casio
Model	fx-3800P
Category	Calculator
Language	English