34 Chapter 2: Documenting Polynomial Zero Finding
See what happens if you confirm with
(_OK_)
.
Notice the complicated numbers below the tick marks (your numbers are likely to be different)
and in the Status Bar scale factors. This is caused by the graphical box selection.
Zoom in again using the
Set range with box
button .
It is helpful to edit the suggested numerical values to the nearest simple values. Start by
overwriting the highlighted value of the input field for the
Horizontal Minimum
. Then use the tab
key
(ÿ)
to make the next input field active. Enter the following values.
-0.7
(ÿ)
-0.4
(ÿ)
6
(ÿ)
Make the values for the
Intervals
fields fit to the difference of the values for the
Minimum
and
the
Maximum
fields. For example, 6 intervals for a horizontal range of length 0.3 (= difference of
-0.7 and -0.4) ensures nice numbers below the tick marks.
-0.01
(ÿ)
0.01
(ÿ)
4
(_OK_)
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