HP Prime Graphing Wireless Calculator - Manual (Page 108)

104 Functions and commands
Sj Square root. Also accepts complex numbers.
) √value
Example:
√320 returns 17.88854382
k x raised to the power of y. Also accepts complex numbers.
value power
Example:
2
8
returns 256
Sk The nth root of x.
root√value
Example:
3√8 returns 2
Sn Reciprocal.
value -1
Example:
3
-1 returns .333333333333
Q- Negation. Also accepts complex numbers.
-value
Example:
-(1+2*i) returns -1-2*i
SQ (|x|) Absolute value.
|value|
|x+y*i|
|matrix|
For a complex number, |x+y*i| returns . For a
matrix, |matrix| returns the Frobenius norm of the matrix.
Example:
|–1| returns 1
|(1,2)|returns 2.2360679775
x
2
y
2
+