HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 190

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Trace in Plot view
In most HP apps, the Plot view contains , a toggle to turn tracing a function on and o. In the
Advanced Graphing app, the relations plotted in Plot view may or may not be functions. So, instead of a
toggle, becomes a menu for selecting how the tracer will behave. The Trace menu contains the
following options:
O
Inside
PoI (Points of Interest)
X-Intercepts
Y-Intercepts
Horizontal Extrema
Vertical Extrema
Inections
Selection
The tracer does not extend beyond the current Plot view window. The following table contains brief
descriptions of each option.
Option Description
O Turns tracing o so that you can move the cursor freely in Plot view.
Inside Constrains the tracer to move within a region where the current relation is true. You can
move in any direction within the region. Use this option for inequalities, for example.
Edge Constrains the tracer to move along an edge of the current relation, if one can be found.
Use this option for functions as well as for inequalities, and so on.
PoI > X-Intercepts Jumps from one x-intercept to another on the current graph.
PoI > Y-Intercepts Jumps from one y-intercept to another on the current graph.
PoI > Horizontal Extrema Jumps between the horizontal extrema on the current graph.
PoI > Vertical Extrema Jumps between the vertical extrema on the current graph.
142 Chapter 8 Advanced Graphing app
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