InscribedRadius (Polytopes Package Symbol)

InscribedRadius[polygon] gives the radius of an inscribed circle of polygon polygon, when the edges of polygon have unit length.

NumberOfEdges (Polytopes Package Symbol)

NumberOfEdges[polytope] gives the number of edges of polytope.

NumberOfFaces (Polytopes Package Symbol)

NumberOfFaces[polytope] gives the number of faces of polytope.

NumberOfVertices (Polytopes Package Symbol)

NumberOfVertices[polytope] gives the number of vertices of polytope.

Deuterium (Resonance Absorption Lines Package Symbol)

Deuterium is an isotope of hydrogen.

WavelengthAbsorptionMap (Resonance Absorption Lines Package Symbol)

WavelengthAbsorptionMap[wavelength_1, wavelength_2] generates a plot of the absorption map in the wavelength range between wavelength_1 and wavelength_2.

CollisionFrequency (Standard Atmosphere Package Symbol)

CollisionFrequency[altitude] gives the collision frequency at the specified altitude altitude.

DynamicViscosity (Standard Atmosphere Package Symbol)

DynamicViscosity[altitude] gives the coefficient of dynamic viscosity at the specified altitude altitude.

GravityAcceleration (Standard Atmosphere Package Symbol)

GravityAcceleration[altitude] gives the 45-degree-latitude acceleration of gravity at the specified altitude altitude.

KinematicViscosity (Standard Atmosphere Package Symbol)

KinematicViscosity[altitude] gives the kinematic viscosity at the specified altitude altitude.