Index - N
| Named | Ipe.Value, Ipe |
| named | Ipe.Color, Ipe |
| Nat | HGeometry.Number.Real.Rational |
| navy | Ipe.Color |
| nearDist | HGeometry.Graphics.Camera |
| negated | HGeometry, HGeometry.Kernel, HGeometry.Vector.Class, HGeometry.Vector |
| Negative | HGeometry, HGeometry.Sign, HGeometry.HalfSpace, HGeometry.Kernel |
| neighbours | HGeometry.DelaunayTriangulation |
| neighboursOf | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph |
| neighboursOfByEdge | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph |
| NewVertex | HGeometry.Polygon.Visibility.Naive, HGeometry.Polygon.Visibility |
| next | HGeometry.Permutation |
| nextDartOf | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph |
| nextSibling | HGeometry.Tree.Util |
| Nil | HGeometry.Tree.Binary.Static |
| No | Ipe |
| NoCrop | Ipe.IpeRender |
| Node | |
| 1 (Data Constructor) | HGeometry.Tree.Binary.Static |
| 2 (Data Constructor) | HGeometry.Trie.Binary, HGeometry.Trie |
| node | HGeometry.Tree.Binary.Static |
| nonEmptyTails | HGeometry.Combinatorial.Util |
| NonVertical | HGeometry, HGeometry.Line.General, HGeometry.Line, HGeometry.Kernel |
| NonVerticalHyperPlane | |
| 1 (Type/Class) | HGeometry, HGeometry.HyperPlane.NonVertical, HGeometry.HyperPlane, HGeometry.Plane, HGeometry.Kernel |
| 2 (Data Constructor) | HGeometry, HGeometry.HyperPlane.NonVertical, HGeometry.HyperPlane, HGeometry.Plane, HGeometry.Kernel |
| NonVerticalHyperPlane_ | HGeometry, HGeometry.HyperPlane.Class, HGeometry.HyperPlane.NonVertical, HGeometry.HyperPlane, HGeometry.Plane, HGeometry.Kernel |
| norm | HGeometry, HGeometry.Kernel, HGeometry.Vector.Class, HGeometry.Vector |
| normalArrow | Ipe |
| normalizedCenteredOrigin | HGeometry.Viewport |
| normalUnitVectorAt | HGeometry.Direction |
| normalVector | HGeometry, HGeometry.HyperPlane.Class, HGeometry.HyperPlane.NonVertical, HGeometry.HyperPlane, HGeometry.Plane, HGeometry.Kernel |
| normalVectorAt | HGeometry.Direction |
| North | HGeometry.Direction.Cardinal, HGeometry.Direction |
| north | HGeometry.Box |
| NorthEast | HGeometry.Direction.Cardinal, HGeometry.Direction |
| northEast | HGeometry.Box |
| NorthWest | HGeometry.Direction.Cardinal, HGeometry.Direction |
| northWest | HGeometry.Box |
| NotColoured | PLY.Writer |
| NoZip | |
| 1 (Type/Class) | Ipe.IpeToIpe |
| 2 (Data Constructor) | Ipe.IpeToIpe |
| nozip | Ipe.IpeToIpe |
| numDarts | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph |
| numEdges | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph, HGeometry.Polygon.Class, HGeometry.Polygon |
| numerator | HGeometry.Number.Ratio.Generalized |
| numFaces | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph |
| NumType | HGeometry, HGeometry.Kernel, HGeometry.Properties |
| numVertices | HGeometry.PlaneGraph.Connected, HGeometry.PlaneGraph, HGeometry.Triangle.Class, HGeometry.Triangle, HGeometry.Polygon.Class, HGeometry.Polygon |
| NVLine2_ | |
| 1 (Data Constructor) | HGeometry, HGeometry.Line.NonVertical.Class, HGeometry.Line.LineEQ, HGeometry.Line, HGeometry.Kernel |
| 2 (Type/Class) | HGeometry, HGeometry.Line.NonVertical.Class, HGeometry.Line.LineEQ, HGeometry.Line, HGeometry.Kernel |