Hp 48g Graphing Calculator Bedienungsanleitung Seite 291

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Setting Zoom Defaults
Several of the zoom operations make use of the current zoom factor
and recenter option settings, which you can control.
CtOrSa
1. Press ¿uGn ZFHL-T to open the ZOOM FFiCTORS form.
PLOTS
TTPE: Polar
EO:
INDEP: X H-MIEW:-6.5 6,
_iUTDSCflLE M-MIEW:-3. 1 3.2
ENTER FUHCTIDH(i)i_Ta PLOT
___________
The ZOOM FACTORS Screen
2. Enter the multiplicative factors for the horizontal and vertical axes
that you want Zoom In and Zoom Out (and a few other zooms) to
use. Note that Zoom Out multiplies the scale by the factor while
Zoom In divides the scale by the factor.
3. Set the recenter option that you want zooms to use. Leaving the
FiECEHTER AT CROSSHAIRS field unchecked causes the after-zoom
display to be centered at the same point as the before-zoom display.
Putting a check-mark in the field causes the after-zoom display
to be centered around the point where the crosshairs cursor was
located when the zoom was executed.
4. Press OK
22
Selecting a Zoom
To perform a zoom:
1. While viewing the plot, move the cursor to the desired spot (if
necessary for the zoom you wish to use), and press ZOOM .
2. Select the zoom you want (see below for details about each).
Zoom-to-Box. Allows you to draw a box around
the region of interest and then zoom so that the
boxed-in region fills the display. Move the cursor to
one corner of the region before selecting this zoom.
Plotting 22-7
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