HP Prime Graphing NW280AAABA Matrix Two-dimensional array of real or, Vectors are also handled by

matrix	A two-dimensional array of real or
	complex numbers enclosed by square
	brackets. Matrices can be created
	and manipulated by the Matrix Editor
	and stored in the Matrix Catalog.
	Vectors are also handled by the
	Matrix Catalog and Editor.
menu	A choice of options given in the
	display. It can appear as a list or as a
	set of touch buttons across the bottom
	of the display.
note	Text that you write in the Note Editor.
	It can be a general, standalone note
	or a note specific to an app.
open	An open sentence consists of two
sentence	expressions (algebraic or arithmetic),
	separated by a relational operator
	such as =, <, etc. Examples of open
	sentences include y2<x−1 and
	x2−y2=3+x.
program	A reusable set of instructions that you
	record using the Program Editor.
variable	A name given to an object—such as
	a number, list, matrix, graphic and so
	on—to assist in later retrieving it. The
	command assigns a variable,
	and the object can be retrieved by
	selecting the associated variable from
	the variables menu (a).
vector	A one-dimensional array of real or
	complex numbers enclosed in single
	square brackets. Vectors can be
	created and manipulated by the
	Matrix Editor and stored in the Matrix
	Catalog.
views	The primary environments of HP apps.
	Examples of app views include Plot,
	Plot Setup, Numeric, Numeric Setup,
	Symbolic, and Symbolic Setup.

Glossary 589