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Advanced Graphing app 131
Numeric
view
The Numeric view of most HP apps is designed to explore 2-
variable relations using numerical tables. Because the
Advanced Graphing app expands this design to relations that
are not necessarily functions, the Numeric view of this app
becomes significantly different, though its purpose is still the
same. The unique features of the Numeric view are illustrated
in the following sections.
12.Press
Y to return to
Symbolic view and
define V1 as
Y=SIN(X).
Note that you don’t
have to erase the
previous definition first.
Just enter the new
definition and tap .
Display the
Numeric
view
13.Press M to display the
Numeric view.
By default, the Numeric
view displays rows of x-
and y-values. In each
row, the 2 values are
followed by a column
that tells whether or not
the x–y pair satisfies each open sentence (True or False).
Explore
Numeric
view
14. With the cursor in the X column, type a new value and
tap
.
The table scrolls to the value you entered.
You can also enter a value in the Y column and tap
. Press
<
and
>
to move between the columns
in Numeric view.
You can also zoom in or out on the X-variable or Y-
variable. Note that in Numeric view, zooming does not
affect the size of what is displayed. Instead, it decreases
or increases the increment between consecutive x- and y-
values. Zooming in decreases the increment; zooming out
increases the increment. This and other options are
explained in “Common operations in Numeric view” on
page 100.