HP 40gs User Manual page 51

To jump directly to
a value
To turn trace on/off
Zoom within a
graph
ZOOM options
Aplets and their views
To jump straight to a value rather than using the Trace
function, use the
a value. Press
If the menu labels are not displayed, press
•
Turn off trace mode by pressing
•
Turn on trace mode by pressing
•
To turn the coordinate display off, press
One of the menu key options is
the plot on a larger or smaller scale. It is a shortcut for
changing the Plot Setup.
The Set Factors... option enables you to set the
factors by which you zoom in or zoom out, and whether
the zoom is centered about the cursor.
Press , select an option, and press
is not displayed, press
available in all aplets.
Option
Center
Box...
In
Out
X-Zoom In
X-Zoom Out
menu key. Press
to jump to the value.
.) Not all
Meaning
Re-centers the plot around the
current position of the cursor without
changing the scale.
Lets you draw a box to zoom in on.
See "Other views for scaling and
splitting the graph" on page 2-13.
Divides horizontal and vertical
scales by the X-factor and Y-factor.
For instance, if zoom factors are 4,
then zooming in results in 1/4 as
many units depicted per pixel. (see
Set Factors...)
Multiplies horizontal and vertical
scales by the X-factor and Y-factor
(see Set Factors...).
Divides horizontal scale only, using
X-factor.
Multiplies horizontal scale, using
X-factor.
, then enter
first.
.
.
.
Zooming redraws
.
. (If
options are
2-9