Texas Instruments TI-83 Manual Book page 88

Storing to a
Window Variable
from the Home
Screen or a
Program
@X and @Y
3-12 Function Graphing
To store a value, which can be an expression, to a window
variable, begin on a blank line and follow these steps.
1. Enter the value you want to store.
2. Press ¿.
3. Press  to display the
4. Select
1:Window
( secondary menu).
X/Y
Press ~ to display the
( secondary menu).
T/q
Press ~ ~ to display the
( secondary menu).
U/V/W
5. Select the window variable to which you want to store a
value. The name of the variable is pasted to the current
cursor location.
6. Press Í to complete the instruction.
When the instruction is executed, the TI-83 stores the
value to the window variable and displays the value.
The variables @X
( ) secondary menu) define the distance from
1:Window
X/Y
the center of one pixel to the center of any adjacent pixel
on a graph (graphing accuracy).
from ,
Xmin Xmax
graph.
(Xmax N Xmin)
=
@X
94
You can store values to
are calculated from
Ymax
VARS
to display the
and
Par
Seq
and @Y (items and
8
@
, , and
Ymin Ymax
(Ymax N Ymin)
=
@Y
@X and @Y
,
@X
Xmin
menu.
window variables
Func
window variables
Pol
window variables
on the
9 VARS
and are calculated
X Y
@
when you display a
62
. If you do,
Xmax
, , and .
@Y
Ymin
and