X and @y – Texas Instruments TI-84 User Manual
Page 110
Chapter 3: Function Graphing
107
•
Press
~ ~ to display the
Seq
window variables (
U/V/W
secondary menu).
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-84 Plus stores the value to the window variable
and displays the value.
@
X and
X and
X and
X and
@
Y
Y
Y
Y
The variables
@
X
and
@
Y
(items 8 and 9 on the VARS (
1:Window
) X/Y secondary menu)
define the distance from the center of one pixel to the center of any adjacent pixel on a
graph (graphing accuracy).
@
X
and
@
Y
are calculated from
Xmin
,
Xmax
,
Ymin
, and
Ymax
when you display a graph.
You can store values to
@
X
and
@
Y
. If you do,
Xmax
and
Ymax
are calculated from
@
X
,
Xmin
,
@
Y
, and
Ymin
.
∆X
Xmax
Xmin
–
(
)
94
---------------------------------------
=
∆Y
Ymax
Ymin
–
(
)
62
---------------------------------------
=