Casio ClassPad 330 User Manual page 490

u To draw a hyperbola
Note
A hyperbola is the locus of points, the difference of whose distances from two fixed points
(called foci) is a given value. A hyperbola drawn using the [Hyperbola] command is drawn in
accordance with this definition. When you draw a hyperbola with the [Hyperbola] command,
you need to specify three different points: two foci (Point 1 and Point 2) and one point
anywhere on the hyperbola (Point 3).
Point 1 ............. A
Point 2 ............. B
Point 3 .............C
(1) Tap [Draw] and then [Hyperbola].
• This highlights the hyperbola button on the toolbar.
(2) On the screen, tap the two points that you want to specify as the foci of the hyperbola
(Point 1 and Point 2).
• This causes a line to appear between Point 1 and Point 2.
• Instead of tapping two points as described above, you could also specify the two foci
by tapping to define Point 1 and then dragging the stylus across the screen to Point 2.
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Drawing Figures
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