Casio fx-9750G PLUS - Manual (Page 30)

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1. 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 Key Operation
1 log l
2 10 x !l
3 B al
The following describes the color coding used for key markings.
Color Key Operation
Orange Press ! and then the key to perform the marked
function.
Red Press a and then the key to perform the marked
function.