Sharp EL-506P - Power Functions; Roots

Calculate:
Key in:
Sinh-
1
9
9 ~ B ~
Answer: 2.893443986
6. Power Functions
Calcu late: 20
2
Key in: 20 ~
Answer : 400
Calculate: 3
3
and 3
4
Keyin : 3 ~ 3 @]
Answer : 27
7. Roots
Calculate:
./25
Keyin :
25 ~
Answer : 5
Key in: 3 LB 4 @J
Answer: 81
27