Casio fx-CG50 User Manual page 26

Example 2 To input
A(b+
'
cc
f
e
)x
w
Example 3 To input
Ab+4(MATH)6(g)1(
v+b
ea
fb
e
w
2
( )
1+ 2
5
1
x dx
1+ + 1
0
1-18
∫
x
d )