HP 39g+ - Manual (Page 142)

10-6 Using mathematical functions
*;N,
Power (x raised to y). Also accepts complex numbers.
value^power
Example
2^8 returns 256
>6+,)7@
ABS Absolute value. For a complex number, this is .
ABS (value)
ABS ((x , y))
Example
ABS( –1) returns 1
ABS((1,2)) returns 2.2360679775
>6+,)7@ Takes the nth root of x.
root NTHROOT value
Example
3 NTHROOT 8 returns 2
x
2
y
2
+
n