You can create parabola by several construction types. Click View, Geom Curve to toggle the display of individual curve.
To create a parabola:
Click Parabola (Curve toolbar) or click Geometry, Curve, Parabola.
In the dialog , select the type of you want to create the parabola:
Parameters. Create parabola by center, normal, start direction, focal, start and end parameters.
Point/Axis. Create parabola by selecting a point, an axis and define the start and end parameters.
Coordinate System . Create parabola by selecting a coordinate system, and define the focal, start and end parameters.