You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Tools+Mapped+to+Menus
Ellipse, Elliptical Arc
Creates an elliptical arc by defining the major and minor axes.
- Click the endpoints of the major axis, or enter the major axis length and angle in the Inspector Bar.
- Set the length of the minor axis, which is always perpendicular to the major axis. You can also enter the axis length in the Inspector Bar.
- A dotted line appears from the centerpoint. Move the cursor to set the arc start angle, or enter the angle in the Inspector Bar.
- Move the cursor counterclockwise to draw the arc, or enter the end angle or arc length in the Inspector Bar. You can also enter the included angle.
Local menu options:
Center:Â Enables you to define the major axis from the center. 
Rotation:Â Enables you to define the minor axis at an angle from the major axis.
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