Reference Information; Variables - Texas Instruments TI-84 Plus Manual Book

Appendix B:

Reference Information

Variables

User Variables
The TI-84 Plus uses the variables listed below in various ways. Some
variables are restricted to specific data types.
The variables
A
You may store to them. The TI-84 Plus can update
graphing, so you may want to avoid using these variables to store
nongraphing data.
The variables (list names)
store another type of data to them.
The variables (matrix names)
you cannot store another type of data to them.
The variables
Pic1
cannot store another type of data to them.
The variables
GDB1
databases; you cannot store another type of data to them.
The variables
Str1
cannot store another type of data to them.
Except for system variables, you can store any string of characters,
functions, instructions, or variables to the functions
), / ( through
0 X T Y T 1
n n
through the
Y=
function is evaluated.
Archive Variables
You can store data, programs or any variable from RAM to user data
archive memory where they cannot be edited or deleted inadvertantly.
Archiving also allows you to free up RAM for variables that may require
additional memory. The names of archived variables are preceded by an
asterisk indicating they are in user data archive.
"*"
Appendix B: Reference Information
and q are defined as real or complex numbers.
through
Z
through
L1
[A]
through
Pic9
through
GDB9
through
Str9
), n ( through
6 r 1
editor. The validity of the string is determined when the
are restricted to lists; you cannot
L6
through are restricted to matrices;
[J]
and are restricted to pictures; you
Pic0
and are restricted to graph
GDB0
and are restricted to strings; you
Str0
), ,
6 u( )
n
, q, and
, ,
X Y R
n, ( through
Y 1
, and directly or
v( ) w( )
n n
B
during
T
, and
9
177