HP 39gII, Руководство пользователя

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40 Apps and their views
To set zoom factors
1. In the Plot view, press .
2. Press .
3. Select
Set Factors...
and press .
4. Enter the zoom factors. There is one zoom factor for
the horizontal scale (
XZOOM
) and one for the vertical
scale (
YZOOM
).
Zooming out multiplies the scale by the factor, so that
a greater scale distance appears on the screen.
Zooming in divides the scale by the factor, so that a
shorter scale distance appears on the screen.
Views menu
options
Press
V
, select an option, and press .
Plot-Detail
The Plot-Detail view can give you two simultaneous views
of the plot.
Option Meaning
Plot-
Detail
Splits the screen into the current plot
and a zoom.
Plot-Table
Splits the screen into the plot and a
numeric table.
Auto Scale
Rescales the vertical axis so that the
display shows a representative
portion of the plot, based on the
current
XRNG
. For Sequence and
Statistics apps, auto scale rescales
both axes.
The auto scale process uses the first
selected function only to determine
the best scale to use.
Decimal
Rescales both axes so each pixel =
0.1 unit. Resets default values for
XRNG
(–12.7 to 12.7) and
YRNG
(–5.5 to 5.5 ).
Integer
Rescales horizontal axis only,
making each pixel=1 unit.
Trig
Trig Rescales horizontal axis so 1
pixel =
π
/48 radians or 3.75
degrees.