Casio fx-CG50 User Manual page 10

k Key Markings
Many of the calculator's keys are used to perform more than one function. The functions
marked on the keyboard are color coded to help you find the one you need quickly and easily.
Function
1
log
10 x
2
3
The following describes the color coding used for key markings.
Color
Yellow
Red
• Alpha Lock
Normally, once you press a and then a key to input an alphabetic character, the keyboard
reverts to its primary functions immediately.
If you press ! and then a, the keyboard locks in alpha input until you press a again.
l
!l
al
B
Press ! and then the key to perform the marked function.
Press a and then the key to perform the marked function.
Key Operation
Key Operation
1-2