Casio fx-82CW - Registering and Using Defining Equations; Defining Equations for f(x) and g(x)

*
1
*
2
*
3
x
√ ( ( )
-1
( )
2
^(
- ((-))
, (,)
(
)
*
1
Reciprocal
*
2
Square
*
3
Minus sign
50