HP NW280-200X User Manual page 149

Prime graphing calculator
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Erase Trace
Center
Element 0 .. 1
Intersections
Random pts
Line
Segment
Ray
Line
Geometry
menu of trace points appears so that you can choose which
one to untrace.
Untrace does not erase any existing trace lines. It merely
prevents any further tracing should the point be moved again.
Erases all trace lines, but leaves the definition of the trace
points in Symbolic view. While a Trace definition is still in
Symbolic view, if you move the point again, a new trace line
is created.
Tap a circle and press
???????????
Tap one object and press
press
. Each point of intersection is labeled (and
E
labeled) identically. Note that an intersections object is
created in Symbolic view even if the two objects selected do
not intersect.
Displays a palette for you to choose to add 1, 2, 3, or 4
points. The points are placed randomly.
Tap where you want one endpoint to be and press
Tap where you want the other endpoint to be and press
E
. A segment is drawn between the two end points.
Keyboard shortcut:
Tap where you want the endpoint to be and press
Tap a point that you want the ray to pass through and press
E
. A ray is drawn from the first point and through the
second point.
Tap at a point you want the line to pass through and press
E
. Tap at another point you want the line to pass
through and press
Keyboard shortcut:
.
E
. Tap another object and
E
r
E
. A line is drawn the two points.
j
E
.
.
E
143

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