ProtonMagneticMoment (Physical Constants Package Symbol)

ProtonMagneticMoment is the proton magnetic moment.

QuantizedHallConductance (Physical Constants Package Symbol)

QuantizedHallConductance is the quantized Hall conductance, an electromagnetic constant.

SolarLuminosity (Physical Constants Package Symbol)

SolarLuminosity is a physical constant.

SolarRadius (Physical Constants Package Symbol)

SolarRadius is a physical constant.

ThomsonCrossSection (Physical Constants Package Symbol)

ThomsonCrossSection is the Thomson cross section, an atomic constant.

ProvablePrimeQ (Primality Proving Package Symbol)

ProvablePrimeQ[n] gives True if n is provably prime, and False otherwise.

Deuterium (Resonance Absorption Lines Package Symbol)

Deuterium is an isotope of hydrogen.

Standard Atmosphere Package (Standard Atmosphere Package Guide)

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.