Here is a list of all documented functions with links to the class documentation for each member:

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• ObjectRotate() : FrameScaled
• Octahedron() : Octahedron
• Octant() : Box, Vector
• OctantCells() : Voxel
• OctantSigned() : Voxel
• Octaves() : NoiseTurbulence2, NoiseTurbulence
• Octic() : Octic
• Octogon2() : Octogon2
• Offsetted() : Box
• OldHistogram() : ScalarField2
• Omega() : NoiseTurbulence2, NoiseTurbulence
• Op() : ScalarField2
• operator()() : Algebraic, Array2I, BezierCubicPatch, BezierPatch, ColorField, Cubic, CubicCurve2, CubicCurve2Set, CubicCurve, CubicSet, DiscSystem, Linear, Matrix2, Matrix, NewCone, Nonic, Octic, Polynomial, Quadric, QuadricCurve2, QuadricCurve2Set, QuadricCurve, QuadricCurveSet, QuadricSurface, Quartic, Quintic, Ray2, Ray, ScalarField2, ScalarField, ScalarHexagonField2, Septic, Sextic, VectorField2, VectorField, Voxel
• operator*() : Aa, Matrix2, Matrix4, Matrix, QuadricSurface, Quaternion, Vec2I
• operator*=() : Aa, Color, Complex, Cubic, Linear, Matrix2, Matrix4, Matrix, Nonic, Octic, Polynomial, Quadric, Quartic, Quintic, ScalarField2, ScalarField, Septic, Sextic, Vec2I, Vec3I, Vector2, Vector
• operator+() : Aa, Complex, CubicCurve, Ia, KTope, Polynomial, QuadricSurface, Quaternion, Vec2I, Vec3I, Vector2, Vector, VectorSet2
• operator+=() : Aa, Color, Complex, Cubic, Ia, KTope, Linear, Matrix2, Matrix4, Matrix, Nonic, Octic, Polynomial, Quadric, QuadricCurve2Set, QuadricCurveSet, Quartic, Quintic, ScalarField2, ScalarField, Septic, Sextic, Vec2I, Vec3I, Vector2, Vector, VectorField2, VectorSet2
• operator-() : Aa, Complex, Cubic, CubicCurve2, CubicCurve, Ia, Linear, Matrix2, Matrix4, Matrix, Nonic, Octic, Polynomial, Quadric, QuadricCurve2, QuadricCurve, QuadricSurface, Quartic, Quaternion, Quintic, ScalarField2, Septic, Sextic, Vec2I, Vec3I, Vector2, Vector
• operator-=() : Aa, Complex, Cubic, Ia, Linear, Matrix2, Matrix4, Matrix, Nonic, Octic, Polynomial, Quadric, Quartic, Quintic, ScalarField2, Septic, Sextic, Vec2I, Vec3I, Vector2, Vector, VectorField2
• operator/() : Aa, QuadricSurface
• operator/=() : Aa, Complex, Cubic, Linear, Matrix2, Matrix4, Matrix, Nonic, Octic, Polynomial, Quadric, Quartic, Quintic, ScalarField2, Septic, Sextic, Vector2, Vector
• operator<() : Aa, Ia
• operator<=() : Aa
• operator=() : Aa
• operator==() : Aa
• operator>() : Aa, Ia
• operator>=() : Aa
• operator>>() : Vec2I
• operator[]() : Aa, Array2I, Box2, Box, BoxSphere, Cage, Color, ColorField, Complex, Cubic, CubicCurve2, CubicCurve, Cuboid, Ia, Linear, Matrix2, Matrix, Mesh, Nonic, Octic, Polynomial, Quadric, QuadricCurve2, QuadricCurve, Quartic, Quaternion, Quintic, ScalarField2, ScalarField, ScalarHexagonField2, Septic, Sextic, Triangle2, Triangle, Vec2I, Vec3I, Vector2, Vector, VectorField2, VectorField, VectorSet2, VectorSet, Voxel
• operator^() : Vec2I
• OrientedBox() : OrientedBox
• OrientedBox2() : OrientedBox2
• Origin() : Ray2, Ray
• OrthoCenter() : Triangle2
• Orthogonal() : Segment2, Vector2, Vector, VectorField2
• Orthonormal() : Frame, Vector
• OutsideVertexIndex() : Array2
• OutStream() : Array
• Overlap() : Rectangles2, Triangle2
• OverlapArea() : Box2