Texas Instruments -84 Plus, Manual Book

Page: 128 / 696

Chapter 3: Function Graphing 125
Checking XFact and YFact Checking XFact and YFact Checking XFact and YFact 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
Changing XFact and YFact Changing XFact and YFact
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 Using ZOOM MEMORY Menu Items from the Home Screen or a Program Using ZOOM MEMORY Menu Items from the Home Screen or a Program 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.