HP Prime Graphing NW280AAABA manual 1returns, +2*i returns -1-2*i, 2returns

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:
	28 returns 256
Sk	The nth root of x.
	root√value
	Example:
	3√8 returns 2
Sn	Reciprocal.
	value -1
	Example:
	3 -1returns .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 x2 + y2 . For a
	matrix, matrix returns the Frobenius norm of the matrix.
	Example:
	–1 returns 1
	(1,2)returns 2.2360679775

312 Functions and commands