Texas Instruments TI-84

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

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.

∆XXmax Xmin–()

---------------------------------------= ∆YYmax Ymin–()

---------------------------------------=