| haddockRender | Draw |
| HAlign | Draw.Text, Draw |
| harmonicPotential | Physics |
| HasBoundingBox | Geometry.Core, Geometry |
| haskell | Draw.Color.Schemes.Continuous, Draw |
| haskellLogo | Geometry.Shapes |
| hatch | Geometry.Algorithms.Clipping, Geometry |
| HCenter | Draw.Text, Draw |
| head | |
| 1 (Function) | Data.List.Extended |
| 2 (Function) | Data.Vector.Extended |
| headM | Data.Vector.Extended |
| hellingerDistance | Why |
| Hex | |
| 1 (Type/Class) | Geometry.Coordinates.Hexagonal |
| 2 (Data Constructor) | Geometry.Coordinates.Hexagonal |
| hexAdd | Geometry.Coordinates.Hexagonal |
| hexagonalCoordinateSystem | Geometry.Coordinates.Hexagonal |
| hexagonPoly | Geometry.Coordinates.Hexagonal |
| hexagonsInRange | Geometry.Coordinates.Hexagonal |
| HexPolygon | |
| 1 (Type/Class) | Geometry.Coordinates.Hexagonal |
| 2 (Data Constructor) | Geometry.Coordinates.Hexagonal |
| hexSubtract | Geometry.Coordinates.Hexagonal |
| hexTimes | Geometry.Coordinates.Hexagonal |
| hexZero | Geometry.Coordinates.Hexagonal |
| HLeft | Draw.Text, Draw |
| Hole | Geometry.Algorithms.Clipping, Geometry |
| HRight | Draw.Text, Draw |
| hsl | Draw.Color, Draw |
| hsla | Draw.Color, Draw |
| hsv | Draw.Color, Draw |
| hsva | Draw.Color, Draw |