Archive Variables; System Variables - Texas Instruments TI-84 Plus Manual Book

Except for system variables, you can store any string of characters, functions, instructions,
or variables to the functions
), , , and
6 u(n) v(n) w(n)
determined when the function is evaluated.

Archive Variables

Archive Variables
Archive Variables 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

System Variables

System Variables System Variables System Variables
The variables below must be real numbers. You may store to them. Since the TI-84 Plus
can update some of them, as the result of a
using these variables to store nongraphing data.
• , ,
Xmin Xmax Xscl
• ,
ZXmin ZXmax
The variables below are reserved for use by the TI-84 Plus. You cannot store to them.
, v, , s
, ,
n Sx x minX
2
, , ,
lower upper r R
Appendix B: Reference Information
, ( through
Yn 1
directly or through the
indicating they are in user data archive.
"*"
, @
, ,
X XFact Tstep
, , ,
ZXscl ZTstep ZPlotStart
2
, G , G
,
maxX Gy y xy
2
and other statistical variables.
, and ),
9 0 XnT
editor. The validity of the string is
Y=
, for example, you may want to avoid
ZOOM
, , , and other window variables.
PlotStart nMin
, , and other
Zu(nMin)
, , , , ,
a b c RegEQ x1
/ ( through ),
YnT 1 6
variables.
ZOOM
, Ç, v
2
, c
, , , , ,
x2 y1 z t F
( through
rn 1
, , ,
1 Sx1 n1
628