Checking xfact and yfact, Changing xfact and yfact – Texas Instruments TI-84 User Manual

Page 128

Chapter 3: Function Graphing

125

Checking XFact and YFact

To display the ZOOM FACTORS screen, where you can review the current values for

XFact

and

YFact

, select

4:SetFactors

from the

ZOOM MEMORY

menu. The values shown

are the defaults.

Changing XFact and YFact

You can change

XFact

and

YFact

in either of two ways.

•

Enter a new value. The original value is cleared automatically when you enter the
first digit.

•

Place the cursor on the digit you want to change, and then enter a value or press

{ to delete it.

Using ZOOM MEMORY Menu Items from the Home Screen or a Program

From the home screen or a program, you can store directly to any of the user-defined
ZOOM variables.

From a program, you can select the

ZoomSto

and

ZoomRcl

instructions from the

ZOOM

MEMORY

menu.