
*
=
—
executes
a
calculation
and
displays
its
result.
+
Use
%
for
percentage
calculations.
To
enter
the
Calculator
Mode
«
Use
¥
for
square
root
caiculations.
To
enter
the
Calculator
Mode,
select
the
calculator
Mode
icon
from
the
main
+
D
shitts
the
displayed
value
to
the
right,
cutting
off
the
rightmost
digit
menu
screen.
a
-~
About
the
Calculator
Mode
keys....
The
following
illustration
shows
the
SF
Unit
keys
that
are
used
in
the
Calculator
Mode.
a
4.
A
OMODaODOMmwmHm
/
©
Me
MAM
£
=
x
Bs
=
“
-
COOOOOOOOOM
*
CLEAR
—
clears
the
calculator
:
.
+
Use
the
number
keys
(0
through
9
)
to
enter
values.
Press
«
to
inputa
decimal
point.
+
Use
MC,
MR,
M-,
and
M¢
for
calculator
memory
operations.
MC
—
clears
the
calculator
memory.
MR
—
recails
the
current
calculator
memory
contents.
M—
—
subtracts
the
currently
displayed
vatue
from
the
currentmemory
contents.
You
can
also
press
M-
to
execute
acaiculation,
with
the
result
being
subtracted
from
the
memory
contents.
4,
.
8s
(20
nance
rtennnenataneneneenmueninaieitene
nna
SSeteSeesseneseSttsaetsoaneSsetanreeesteneehestenentntnsyanrtrerrit
nn
he
66
Calculator
Functions
Using
the
Caiculator
Whenever
you
enter
the
Caiculator
Mode,
some
of
the
keys
on
the
SF
Unit
keyboard
take
on
calculator
functions.
PART
5
Calculator
Functions
To
perform
caiculations
Using
the
Calculator
M+
—
adds
the
currently
displayed
value
to
the
current
memory
contents.
You
can
also
press
M+
to
execute
a
calculation,
with
the
result
being
added
to
the
memory
contents.
*
Use
+,
—,
x
and
+
to
specify
the
arithmetic
operation
that
is
marked
above
each
key.
Using
the
Calculator
To
perform
constant
calculations
——
@
1.
Enter
the
Calculator
Mode.
fac)
0.
3H
2
2.
Enter
the
calculation,
pressing
the
arithmetic
operator
f=)
key
twice.
This
will
causes
the
‘K”
indicator
to
appear
on
83,¢
123.c
8Se
Solz}123
[=}63
ms
the
display
to
indicate
a
constant
calculation.
963:
(69
=
58)
=
sz)
Ge)
loa)
:
+
You
can
use
this
constant
calculation
technique
for
(GS
S=
88)
SOA
TESS
selxJs(=
je
rt
78.19230769
addition,
subtraction,
multiplication,
and
division.
vers
‘
ie
3.
Press
=
to
display
the
initial
result
(in
this
case,
5).
=
§6(x]741852{=]
|
E
9.158608051
pe
Pes
ance
t20456(%)
c
9.158608051
Ee
4,
Press
=
again
to
add
3
to
the
result
(in
this
case,
5
+
3
VO
x5
3
\ij)sf=)|
—8.660254035
=
8)
, ;
oa
23(+
Ke
35.
+
You
can
repeat
the
above
operation
as
many
times
as
12423
K
68.
you
like.
Each
time
you
press
=,
the
previous
result
.
obtained
is
added
to,
subtracted
from,
multiplied
by,
or
Ke
101
divided
by
the
value
to
the
left
of
the
arithmetic
operator.
oo
ee as
¢
To
clear
a
constant
calculation,
press
AC,
12(x}(k)2.3[=)
|
Kx
27.6
:
Kx
54.
To
correct
errors
in
calculations
Ks
4.6875
H
you
enter
a
wrong
value,
press
C
and
then
enter
the
correct
value.
K.
8.125
if
you
press
the
wrong
arithmetic
operator
key
(+,
—,
x,
+),
simply
press
the
42%
of
1500
180.
correct
key
before
entering
anything
else.
Percentage
of
660
against
880
75:
:
15%
add-on
of
2500
2500(x}15(%)[¥)
2875.
r~
About
calculation
errors....
:
25%
discount
of
3500
asoo(x}2s{%
2625.
Whenever
an
error
occurs,
the
indicator
"E"
appears
on
the
display.
%
discour
=
4
What
will
the
selling
price
and
480(+)25[%
640.
E
profit
be
when
the
purchasing
=
160.
price
of
an
item
is
$480
and
.
the
profit
rate
to
the
selting
0
price
is
25%?
.
iL
If
you
made
$80
last
week
and
100
)sof%
25.
ie
90
this
week,
Wha
Ie
The
foliowing
conditions
ail
result
in
errors.
18
percent
i
?
80x9=
720
fac]
8O{
x
}9{m+]
|
M
720.
*
When
the
number
of
digits
in
the
mantissa
of
an
intermediate
or
a
final
-)50x6=
300
S50[x}6fa-}
|
M
300.
result
exceeds
10
digits.
20x3=
60
20[%)3{me}
|
M
60.
480
(ua)
|
M
480.
67