| East | Data.Geometry.Directions | 
| east | Data.Geometry.Box.Sides, Data.Geometry.Box | 
| edges |  | 
| 1 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 2 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| edges' |  | 
| 1 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 2 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| edgeSegment |  | 
| 1 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 2 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| edgeSegments |  | 
| 1 (Function) | Data.Geometry.PolyLine, Data.Geometry | 
| 2 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 3 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| elem0 | Data.Geometry.Vector.VectorFamilyPeano | 
| elem1 | Data.Geometry.Vector.VectorFamilyPeano | 
| elem2 | Data.Geometry.Vector.VectorFamilyPeano | 
| elem3 | Data.Geometry.Vector.VectorFamilyPeano | 
| elem4 | Data.Geometry.Vector.VectorFamilyPeano | 
| elemD | Data.Geometry.Vector.VectorFamilyPeano | 
| element |  | 
| 1 (Function) | Data.Geometry.Vector.VectorFixed | 
| 2 (Function) | Data.Geometry.Vector.VectorFamily, Data.Geometry.Vector, Data.Geometry | 
| element' |  | 
| 1 (Function) | Data.Geometry.Vector.VectorFixed | 
| 2 (Function) | Data.Geometry.Vector.VectorFamilyPeano | 
| 3 (Function) | Data.Geometry.Vector.VectorFamily, Data.Geometry.Vector, Data.Geometry | 
| Ellipse |  | 
| 1 (Type/Class) | Data.Geometry.Ellipse | 
| 2 (Data Constructor) | Data.Geometry.Ellipse | 
| ellipseMatrix | Data.Geometry.Ellipse | 
| ellipseToCircle | Data.Geometry.Ellipse | 
| embedAsHoleIn | Data.Geometry.PlanarSubdivision.Merge | 
| embedAsHolesIn | Data.Geometry.PlanarSubdivision.Merge | 
| Empty | Data.Geometry.KDTree | 
| enclosesAll | Algorithms.Geometry.SmallestEnclosingBall.Naive | 
| enclosingDisk | Algorithms.Geometry.SmallestEnclosingBall.Types | 
| End |  | 
| 1 (Data Constructor) | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| 2 (Data Constructor) | Algorithms.Geometry.PolygonTriangulation.MakeMonotone | 
| end | Data.Geometry.Interval, Data.Geometry.LineSegment, Data.Geometry | 
| EndCore | Data.Geometry.Interval, Data.Geometry.LineSegment, Data.Geometry | 
| EndExtra | Data.Geometry.Interval, Data.Geometry.LineSegment, Data.Geometry | 
| EndPoint | Data.Geometry.Interval, Data.Geometry.LineSegment, Data.Geometry | 
| endPointData |  | 
| 1 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 2 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| endPointOf | Algorithms.Geometry.LineSegmentIntersection.Types | 
| endPoints |  | 
| 1 (Function) | Data.Geometry.LineSegment, Data.Geometry | 
| 2 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 3 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| endPoints' | Algorithms.Geometry.LineSegmentIntersection.Types | 
| endPointsOf |  | 
| 1 (Function) | Data.PlaneGraph.Core, Data.PlaneGraph | 
| 2 (Function) | Data.Geometry.PlanarSubdivision.Basic, Data.Geometry.PlanarSubdivision | 
| endsAt | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| Envelope | Algorithms.Geometry.LowerEnvelope.DualCH | 
| eps | Algorithms.Geometry.SoS.Symbolic | 
| EpsFold | Algorithms.Geometry.SoS.Symbolic | 
| euclideanDist | Data.Geometry.Point, Data.Geometry | 
| euclideanMST | Algorithms.Geometry.EuclideanMST.EuclideanMST | 
| evaluate | Data.Geometry.BezierSpline | 
| Event |  | 
| 1 (Type/Class) | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| 2 (Data Constructor) | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| eventPoint | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| EventQueue | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| EventType | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| eventType | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| extends | Algorithms.Geometry.WellSeparatedPairDecomposition.WSPD | 
| extent | Data.Geometry.Box.Internal, Data.Geometry.Box | 
| extractContains | Algorithms.Geometry.LineSegmentIntersection.BentleyOttmann | 
| extractEdges | Algorithms.Geometry.DelaunayTriangulation.Naive | 
| extremalPoints | Algorithms.Geometry.RedBlueSeparator.RIC | 
| extremes | Data.Geometry.Polygon.Convex | 
| extremesLinear | Data.Geometry.Polygon, Data.Geometry |