Operating the TI-80 1-19
You may want to use the names of system variables (such as XMIN) and
functions (such as Y1) in an expression. You may also want to store values
directly to those variables. Use the VARS or Y.VARS menus to access the
names.
The VARS menu displays the names of window variables such
as XMIN and TSTEP, statistics variables such as v and Q1, and
table variables such as TBLMIN.
Press L to display the VARS menu. Some of the items
display more than one menu of variable names.
VARS
1:WINDOW... Names of X, Y, and T variables.
2:STATISTICS... X/Y, G, EQ, and BOX variables.
3:TABLE... TBLMIN and @TBL variables.
4:SIMPFACTOR... Factor last used by úSIMP function.
The Y.VARS menus display the names of functions and the
instructions to select or deselect functions from a program or
the Home screen.
Press 2 G to display the Y.VARS menu. Then press 9
or 6 to select the type of variable you want.
YDisplays a menu of names of Yn functions.
XTàYT Displays a menu of names of XnTàYnT equations.
ONàOFF Lets you select/deselect functions.
To copy a variable name from a VARS or Y.VARS menu:
1. Press L or 2 G. The VARS or Y.VARS menu is
displayed.
2. Select the type of variable you want.
3. Press ¸ to select the name you want from the menu. It
is copied to the cursor location.
The VARS and Y.VARS Menus
VARS Menu
Y.VARS Menu
Copying a Name
from a VARS or
Y.VARS Menu