arc_length3d            Numeric arc length of a 3D parametric curve
binormal3d              Binormal vectors along a 3D parametric curve
critical_points_2d      Critical points of a two-variable function
                        using gradient and Hessian
critical_points_nd      Critical points of a scalar field in n
                        dimensions (no plot)
curl3d                  Numerical curl of a three-dimensional vector
                        field
curvature_torsion3d     Curvature and torsion of a 3D parametric curve
curve_sample3d          Sample a 3D parametric curve
cylindrical_surface3d   Ruled surface along a 3D parametric curve
directional_derivative3d
                        Directional derivative in any dimension, with
                        optional 2D visualization
divergence_field        Numerical divergence of a vector field
frenet_frame3d          Frenet-Serret frame for a 3D parametric curve
gradient_direction2d    Animate gradient and directional derivative on
                        level curves (2D)
gradient_scalar         Gradient of a scalar field in R^n
integrate_double_polar
                        Numerical Double Integration in Polar
                        Coordinates
integrate_double_xy     Unified Numerical Double Integration
integrate_triple_general
                        Numerical Triple Integration over a General
                        Region
lagrange_check          Optimality check with Lagrange multipliers and
                        bordered Hessian
line_integral2d         Line integral of a scalar field along a planar
                        curve, with optional 3D visualization
line_integral3d_work    3D line integral with work visualization
line_integral_vector2d
                        2D line integral of a vector field with
                        visualization
newton_raphson2d        Newton-Raphson method for systems in R^2 with
                        animation (Plotly)
newton_raphson_anim     Newton-Raphson root finding with tangent
                        animation (Plotly)
normal3d                Principal normal vectors along a 3D curve
osculating_circle3d     Osculating discs and circles of a spatial curve
osculating_ribbon3d     Osculating ribbon along a 3D parametric curve
partial_derivatives_surface
                        Partial derivatives of z = f(x, y) at a point
                        with 3D visualization
plot_curve3d            Plot a 3D parametric curve with plotly
plot_surface_with_tangents
                        Surface with tangent lines at a point
region_xyz0             Planar region \{(x, y): a <=q x <=q b, H1(x)
                        <=q y <=q H2(x)\} drawn at height z0
related_rates_grad      Related rates via the gradient (implicit
                        constraint)
riemann_prisms3d        Riemann rectangular prisms over a planar region
riemann_rectangles2d    Animate Riemann rectangles under a curve (2D)
riemann_sum_1d_plot     1D Riemann sums with optional plot
riemann_sum_2d_plot     2D Riemann sums (upper, lower, midpoint) with a
                        3D plot
secant_tangent          Secant lines converge to the tangent line
                        (Plotly)
solid_cylindrical3d     Cylindrical solid defined by radial and
                        vertical bounds (with optional plot)
solid_of_revolution_y   Solid of revolution around a horizontal line
solid_spherical3d       Solid in spherical coordinates with Plotly
                        visualization and volume
solid_xyz3d             Solid defined by bounds in x, y and z
streamline_and_field3d
                        Vector field and streamline in 3D (single
                        combined figure)
surface_integral_z      Surface integral over a graph z = g(x, y)
surface_parametric_area
                        Plot a parametric surface and estimate its area
tangent3d               Unit tangent vectors along a 3D parametric
                        curve
tangent_plane3d         Tangent plane and normal vector to a surface z
                        = f(x, y)
total_differential_nd   Total differential of a scalar field in R^n
vector_field3d          3D vector field in a curvilinear prism
xy_region               Planar region between two curves y = H1(x) and
                        y = H2(x)
