HP Prime Graphing NW280AAABA manual When Used to introduce a conditional statement

vpotential Given a vector V and a vector of variables, returns the vector U such that curl(U)=V.

vpotential(Vector1, Vector2)

Example:

vpotential([2*x*y+3,x2-4*z,-2*y*z],[x,y,z])

returns

0	–2	⋅ x ⋅ y ⋅ z 4	1	⋅ x	3	+ 3 ⋅ y
			⋅ x ⋅ z – ---
			3

when Used to introduce a conditional statement.

XOR Exclusive or. Returns 1 if the first expression is true and the second expression is false or if the first expression is false and the second expression is true. Returns 0 otherwise.

Expr1 XOR Expr2

Example:

0 XOR 1 returns 1

yellow Used in the Symbolic view of the Geometry app. In the definition of a geometric object, including the statement “display=yellow” specifies that the object defined will be drawn in yellow.

zip Applies a bivariate function to the elements of two lists or vectors and returns the results in a vector. Without the default value the length of the vector is the minimum of the lengths of the two lists; with the default value, the shorter list is padded with the default value.

zip(‘function’List1, List2, Default) or zip(‘function’, Vector1, Vector2, Default)

Example:

zip('+',[a,b,c,d], [1,2,3,4]) returns [a+1 b+2 c+3 d+4]

2

Inserts a template for substituting a value for a variable in an expression.

ExprVar1=Val1, [Var2=Val2, …]

Returns the square of an expression.

(Expr)2

πInserts pi.

∂Inserts a template for a partial derivative expression.

420 Functions and commands