Square root key
Calculates the square root of the number displayed.
Ex: to obtain the square root of 4, press: 4 2
Cube root key
Calculates the cube root of the number displayed.
Ex. to obtain the cube root of 8, press: 8 2
Universal power (y
x
) key
Raises a number “y”to a power “x”.
Ex: to raise 5 to the 4th power (5
4
), press: 5 4 625
Universal square root (x y) key
Calculates the xth root of Y.
Ex: to calculate the 6th root of 64, press: 64 6 2
Factorial key
The factorial key is useful in probability calculations. It calculates the factorial of the displayed
number (multiplies a series of consecutive integers).
Factorial of 4: (4 x 3 x 2 x 1) = 24
Ex: 4
➔
24
9
CE
n
!
2ndF
2ndF
3
y
x
=
y
x
2ndF
y
x
=
2ndF
3
2ndF
x y
2ndF
n!
x
y
