HP 39g+ - Manual (Page 169)

Variables and memory management 11-7
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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.
Category Available names
Complex Z0 to Z9
For example, (1,2) TUPc— Z0 or 2+3i TUPc—
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 15-20 for
more information on storing graphic objects
via programming commands. See “To store
into a graphics variable” on page 14-5 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} TUPc— L1.
Matrix M0 to M9 can store matrices or vectors.
For example, [[1,2],[3,4]] TUPc— M0.
Modes Modes variables store the modes settings that
you can configure using
>6+,)7@
MODES .
Notepad Notepad variables store notes.
Program Program variables store programs.
Real A to Z and
θ.
For example, 7.45 TUPc— A.