HP 39g+ Graphing manual Real part, and i represents, Variable on page 15-5 for more

Home variables It is not possible to store data of one type in a variable of another type. For example, you use the Matrix catalog to create matrices. You can create up to ten matrices, and you can store these in variables M0 to M9. You cannot store matrices in variables other than M0 to M9.

Cate-	Available names
gory
Complex	Z0 to Z9
	For example, (1,2)	Z0 or 2+3i
	Z1. You can enter a complex
	number by typing (r,i), where r represents
	the real part, and i represents the
	imaginary part.
Graphic	G0 to G9
	See “Graphic commands” on page 16-
	20 for more information on storing
	graphic objects via programming
	commands. See “To store into a graphics
	variable” on page 15-5 for more
	information on storing graphic object via
	the sketch view.
Library	Aplet library variables can store aplets
	that you have created, either by saving a
	copy of a standard aplet, or downloading
	an aplet from another source.
List	L0 to L9
	For example, {1,2,3}	L1.
Matrix	M0 to M9 can store matrices or vectors.
	For example, [[1,2],[3,4]]		M0.
Modes	Modes variables store the modes settings
	that you can configure using
	MODES.
Notepad	Notepad variables store notes.
Program	Program variables store programs.
Real	A to Z and θ.
	For example, 7.45	A.

Variables and memory management 12-7