Casio SF-3700A - Calculator Mode

What will the selling 480(+]25[75]
price and profit be when f—]
the purchasing price of
an item is $480 and the
profit rate to the selling
price is 25%?
If you made $80 last week 100[—|80!>. |
and $100 this week, what
is the percent increase?
80x9= 720 {ac} lec] 80[ x [Qirae|
-)
50x6=
300
50{
x
|6fe-|
20x3=
60
~
20)
x
J3is+
=
480
Caution
e Ail data stored in memory is lost if you remove both batteries at the same
lime.
e Replace the batteries at least once every two years, no matter how much
you use the unit.
¢ Be sure that you keep a separate copy of all important data that you store
in- the unit.
To replace the batteries
1. Press OFF to switch power OFF.
2. Slide the battery compartment cover in the direction indicated by the arrow.
E-22
ee
3.
Slide
the
battery
switch
to
the
“REPLACE
1,”
setting.
Insert
a
thin,
pointed
object
into
(A)
and
remove
the
old
battery.
fi REPLACE.
-LOCK —
era |
i REPLACED
Caution
Be
sure
to
remove
only
one
battery
at
a
time.
Otherwise.
you
will
lose
all
data
stored
in
memory.
(A)
4.
Replace
the
old
battery
with
a
new
one,
making
sure
that
the
positive
(+)
side
of
the
new
battery
is
facing
up
(so
you
can
see
it).
5.
Slide
the
battery
switch
to
the
“REPLACE
‘27
setting
and
repeat
step
4
for
the
other
battery.
°
Be
sure
to
load
two
new
CR2032
batteries
only.
Never
mix
an
old
batter,
with
a
new
one
|
6.
Slide
the
battery
switch
to
the
“LOCK"
setting.
¢
You
will
not
be
able
to
turn
the
unit
on
if
the
battery
switch
ts
not
in
the
“LOCK”
setting.
,
7.
Replace
the
battery
compartment
cover
Battery Precautions
e
Keep
+
side
of
each
battery
facing
up
(so
you
can see
it)
°
Keep
batteries
out
of
the
reach
of
small
children.
If
swallowed,
consult
with
a
physician
immediately
The
batteries
that
come
with
this
unit
discharge
slightly
during
shipment
and
storage.
Because
of
this.
they
may
require
raplacement
sooner
than
the
normal
expected
battery
life.
E-23 ,