HP Prime Graphing NW280AAABA manual Append Appends an element to a list or vector

algvar Returns the matrix of the symbolic variable names used in an expression. The list is ordered by the algebraic extensions required to build the original expression.

algvar(Expr)

Example:

algvar(sqrt(x)+y) gives

y x

AND Logical And. Returns 1 if the left and right sides both evaluate to true and returns 0 otherwise.

Expr1 AND Expr2

Example:

3 +1==4 AND 4 < 5 returns 1

append Appends an element to a list or vector.

append((List, Element)

or

append(Vector, Element)

Example:

append([1,2,3],4) gives [1,2,3,4]

apply Returns a vector containing the results of applying a function to the elements in a list.

apply(Var→f(Var), List)

Example:

apply(x→x^3,[1,2,3]) gives [1,8,27]

assume Used in programming to state an assumption about a variable.

assume(Var,Expr)

Example:

assume(n, integer)

382 Functions and commands