Casio CFX-9800G - Page 126

Input the zoom factors for the x-axis and y-axis.
€\(FCT)
5) eel See
EXIT)
Press [3)( xf)
Esl x
Note that these graphs are not tangent as they appear on the normal (unenlarged) display.
To initialize the zoom factors
2)(Zoom)(F2\(FCT) EN(INIT)
Anytime you perform the-abové operation, the unit initializes the zoom factors to the fol-
lowing settings.
Factor
CLE
To specify the zoom factors within a program
Use the following format to specify the zoom factors in a program.
Factor (Xfact), (Yfact)
Note
«You can use only positive values as zoom factors. You can perform calcutations that
consist of up to 10 numbers, operators, etc.
For graphs drawn in the COMP, SD, REG, or MAT Mode, the Factor Zoom can be used
to zoom only the.most recently drawn six graphs. In the case of the GRAPH Mode, Factor
Zoom can be used to zoom any graphs drawn.
*You cannot enlarge or reduce a single-variable bar or line graph.
WAuto Range. i .
The Auto Range function automatically sets the rangé value of the y-axis so that the graph
completely
fills
the
screen
along
the
y-axis.
This
function
is
available
from
the
first
Zoom/Auto Range menu.
(Zoom) (ERIS: LEDC
o FS)
Example
1|
To.use
Auto
Range
to
graph
»
=
x?
-
5
when
the
x-axis
range
is
set
as
X
min
=
-3-and
X
max
=
5:
jo
A
Input the function to draw the graph.
FaSENFI(REC)ED Graph Y=42—-o_
(say) [Fs] (CLS) Ex)
MAmG)
EXE]
Press [F2\(Zoom) to display the first Zoom/Auto Range menu.
ould xf Ix ¢]AUT
'
(F2}(Zoom)
Press [F5)(AUT) to draw the graph.
(AUT)
Pressing Gi twice or GiGi) clears the menu from the bottom of the display.