Chapter 3: Function Graphing
85
ZFrac1/8
ZDecimal
replots the functions immediately. It updates the window variables to preset values, as
shown below. These values set
@
X
and
@
Y
equal to 1/8 and set the X and Y value of each pixel to
one decimal place.
ZFrac1/10
ZFrac1/10
replots the functions immediately. It updates the window variables to preset values, as
shown below. These values set
@
X
and
@
Y
equal to 1/10 and set the X and Y value of each pixel to
one decimal place.
Using ZOOM MEMORY
ZOOM MEMORY Menu
To display the
ZOOM MEMORY
menu, press
q ~
.
ZPrevious
ZPrevious
replots the graph using the window variables of the graph that was displayed before you
executed the last ZOOM instruction.
ZoomSto
ZoomSto
immediately stores the current viewing window. The graph is displayed, and the values of
the current window variables are stored in the user-defined
ZOOM
variables
ZXmin
,
ZXmax
,
ZXscl
,
ZYmin
,
ZYmax
,
ZYscl
, and
ZXres
.
These variables apply to all graphing modes. For example, changing the value of
ZXmin
in Func
mode also changes it in Par mode.
Xmin=
L
47/8
Xmax=47/8
Xscl=1
Ymin=
L
31/8
Ymax=31/8
Yscl=1
Xmin=
L
47/10
Xmax=47/10
Xscl=1
Ymin=
L
31/10
Ymax=31/10
Yscl=1
ZOOM MEMORY
1: ZPrevious
Uses the previous viewing window.
2: ZoomSto
Stores the user-defined window.
3: ZoomRcl
Recalls the user-defined window.
4: SetFactors
...
Changes
Zoom In
and
Zoom Out
factors.