Casio fx-50F Calculator User Manual


 
E-6
Before starting a calculation...
k
Turning On the Calculator
Press
O
. The calculator will enter the calculation mode (page 7) that it was in the last time
you turned it off.
A
Adjusting Display Contrast
If the fi gures on the display become hard to read, try adjusting display contrast.
1. Press
!
N
(SETUP)
d
b
(Contrast).
• This will display the contrast adjustment screen.
2. Use
d
and
e
to adjust display contrast.
3. After the setting is the way you want, press
A
or
!
p
(EXIT).
Note
You can also use
+
and
-
to adjust contrast while the calculation mode menu that
appears when you press the
,
key is on the display.
Important!
If adjusting display contrast does not improve display readability, it probably means that
battery power is low. Replace the battery.
A
Turning Off the Calculator
Press
!A
(OFF).
The following information is retained when you turn off the calculator.
• Calculation modes and setup (page 7)
• Answer Memory (page 19), independent memory (page 21), and variable memory (page
22) contents
k
Key Markings
M–
M
DT
CL
A
LOGIC
x
!
8
Function Colors To perform the function
1
M+ Press the key.
2
M– Text: Amber Press
!
and then press the key.
3
MText: Red Press
a
and then press the key.
4
DT Text: Blue In the SD or REG Mode, press the key.
5
CL Text: Amber
Frame: Blue
In the SD or REG Mode, press
!
and then press
the key.
6
Text: Amber
Frame: Purple
In the CMPLX Mode, press
!
and then press the
key.
LIGHT DARK
CASIO
LIGHT DARK
CASIO