HP Prime Graphing Wireless Calculator Uživatelský manuál Strana 234

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4.
Tap a line and press to see its pole.
In the following gure, point K is the reciprocation of line DE (G) and Line I (at the bottom of the display)
is the reciprocation of point H.
Cartesian
Abscissa
Tap a point and press to select it. The abscissa (x-coordinate) of the point will appear at the top
left of the screen.
Ordinate
Tap a point and press to select it. The ordinate (y-coordinate) of the point will appear at the top
left of the screen.
PointComplex
Tap a point or a vector and press to select it. The coordinates of the point (or the x- and y-
lengths of the vector) will appear as a complex number at the top left of the screen.
Coordinates
Tap a point and press to select it. The coordinates of the point will appear at the top left of the
screen.
Equation of
Tap an object other than a point and press to select it. The equation of the object (in x and/or y)
is displayed.
186 Chapter 9 Geometry
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