Texas Instruments TI-83 PLUS - Manual (Page 31)

TI-83 Plus Operating the TI-83 Plus Silver Edition 28
•
You can use
DRAW STO
menu items to store and recall graph
databases and pictures (Chapter 8).
•
Although most variables can be archived, system variables including
r, t, x, y, and
q cannot be archived (Chapter 18)
•
Apps are independent applications.which are stored in Flash ROM.
AppVars is a variable holder used to store variables created by
independent applications. You cannot edit or change variables in
AppVars unless you do so through the application which created
them.