Instruction manual
12
(First
functlonl
(Second
function)
(1)
Q!U
(2)
[f][§)
log
IJnJ
Subtraction/combination
key
Orders
subtraction.
•
II
depressed
following
theWkey,
a
combination.
nCr
will
be
calculated.
Ex.
,C."
7
[£]~3[§J
-+
35.
[±]
Addition
key
Order
addition.
nCr
c=:J
•
n !
Division/f.toria'
key
I :
\.
Orders
division.
• If
depressed
following
theWkey,
calculates
the
factorial
of
the
displayed
number.
Factorial
01
n
(nl)
..
n·(n-O·(n-2)·
..
·
..
·
2·
1
Ex.
91"
9
[£]m::o
--+
362880.
nPr
Multiplication/permutation
key
CKJ.
Orders
multiplication.
• If
depressed
following
the[£]key.
a
permutation
nPr will
be
calculated.
Ex.
,p."
7m~30
--+
210.
Ex.
123
...
mrnm
c::Q]""~
Numeral
keys
Used
to
en
ler
numbers.
c::::J
Decimal
point
key
Positions
the
decimal
point
in
an
entered
number.
Ex. 12.3 --+
OJaJom
0.4 --+
om
I
+/-1
Change sign
key
Changes
the
sign
of
the
displayed
number
from
a positive to a negative
or
from
a
nega.
tive
to
a positive.
[EJ
Function
key
This key
is
10
be
operated
when
designating
the
second
function
(labeled in
orange)
of
the
function
keys
or
the
special
function
keys. Ii.e. log,
cos'
l
,
3.jX
•
etc.!.
log
23 wlliiJ --+ log
23
cos·,
.
.
5m~....
cos"
0.5
• In
the
calculation
examples
Shown
below.
the
operation
of
function
keys are
represented
as
follows;
•
11
•
II
depressed
following
the
m
key,
clears
the
contents
of
the
2nd
memory
and
replaces
it
with
the
number
in
the
display.
Display
0.5
6.967067094-01
7.265425277-01
.....
Trigonometriclinverse
trigonometric
function
keV
Used
to
obtain
the
sine,
cosine
or
tengent
of
e
displayed
number.
Ex.
Find
the
sine
30
in degrees
Find
the
cosine
0.8
in
radian
Find
the
tengent
40
in grads
Key
operlltion
DEG
30
I:i!!iJ
RAD
.8~
GRAD
40
~
sin-
1
Isin I-
COS-
1
[cosl
tan-
1
Itanl
RCl2
Equals/recall
2nd
memory
key
I \.
Completes
the
arithmetic
function
(+,
-,
x,
.;-l.
yX,
x.JY,
nPr
and
nCr
calculations.
• If
depressed
rollowing
the
m
key.
displays
the
contents
of
the
2nd
memory.
The
contents
of
the
2nd
memory
remain
unchanged.
• II
depressed
following
the
m
key.
the
inverse
trigonometric
lunctions
are
calculated.
Ex.
Find
the
arc
sine
of
0.5
in
degrees
Find
the
erc
cosine
of
0.7
in
radians
Find
the
arc
tangent
of
1 in
grads
45.
or
a
calculated
result
to
the
contents
or
the
5009
(M±)
Memory
plus/store
2nd
memory
key
Used
to
add
the
number
displayed
independent
memory.
Ex. Multiply 5
by
9
end
add
the
IInswer
to
the
contents
or
the
memory.
Key
operation
Display
Memory·in/store
1st
memory
key
Clears
the
contents
of
the
independent
memory
and
replaces
it
with
the
number
in
the
display.
To
clear
the
memory
depress
theWkey
follOwed
by
the
B key.
•
If
depressed
following
the[£]key,
clears
the
contents
of
the
1
st
memory
and
replaces it
with
the
number
in
the
display.
RCL1
[RMI Recall
memory/rec:a1l1st
memory
key
• Displays
the
contents
of
the
independent
memory.
• If depressed following
the
m
key,
displays
the
contents
01
the
1st
memory.
The
contents
01
the
lst
memory
remain
unchanged.
ST02
IM+I.
ST01
IX"MI.
13
14
~-"'~~