Simple, trimmed arc (I use them to keep diagrams clean). Respects minimum rotation.
TrimArc1[point, point, point, angle]
Circle center, two points to define the arc, and an angle for the margin.
Construction: [url]http://www.geogebratube.org/material/show/id/65949[/url]
Example: [url]http://www.geogebratube.org/student/m27044[/url]
