Casio SF-3990 User Guide - Page 25

About the Power Supply - price

Get Casio SF-3990 PDF manuals and user guides View all Casio SF-3990 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 25 highlights

What will the selling price 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? 80 × 9 = 720 −) 50 × 6 = 300 20 × 3 = 60 480 480q25t w 640. 160. (Profit) 100w80t a•80e9| M 50e6} M 20e3| M ªM 25. 720. 300. 60. 480. About the Power Supply Caution • All data stored in memory is lost if you remove both batteries at the same time. • Replace the batteries at least once every 2 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-23

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
E-23
480
q
25
t
640.
w
160.
(Profit)
100
w
80
t
25.
a•
80
e
9
|
M
720.
50
e
6
}
M
300.
20
e
3
|
M
60.
ª
M
480.
What will the selling
price 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?
80
×
9
=
720
−
)
50
×
6
=
300
20
×
3
=
60
480
About the Power Supply
Caution
•
All data stored in memory is lost if you remove both batteries at the same
time.
•
Replace the batteries at least once every 2 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.