Casio SF-3300A - Page 12

640.
160.
(Profit)
480(4125(%]
“S)
p ce and profit be when |
the purchasing price of |
an item is $480 and the -
profit rate to the selling
price is:25%?.
If you made $80 last week
and $100 this week, what.
is the percent increase? :
80x9= “720.
=) 50x6=. 300
20x3= 60
480
100(=)80[%)
(ie) NE80Lx) 9 (5) | M
Caution
e All data slored) in memory is lost. if you. remove both batteries at the same
time. :
e Repiace the atiaries at least once every two years (SF- 3600A/3600ER)/
_three years (GESS00AISa0BAISSO0ER)., no matey how much yOu, use the
unit.
e Be sure that you Keep a jeonerete copy of ail important data that tyou store
in the unit:
To.replace the batteries.
1. Press OFF to switch power OFF.
2. Slide the airy compartment cover in the direction indicated by. the arrow.
E-22
A
i
i
i
‘
i
3
3. Slide the battery switch to the “REPLACE @” @r setting! oe
_ Insert a thin, pointed object into (A) and remove the old batt ry.
(A)
Caution
Be sure to remove only one battery at a time. elles: you will lose
all data stored i in. memory.
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 @” setting and repeat step 4
for the other battery...
e Besure to.load two new CR2032 batteries only. Never mix an old battery
with anew. one.
6. Slide the battery switch to the “LOCK” seiting.
e You will not be able to turn the unit on if the battery switch is 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 replacernent sooner than
the normal expected battery life.