AirWavelength[element] gives a list of {wavelength_v, wavelength_a} pairs, where wavelength_v is the wavelength in vacuum and wavelength_a is the wavelength in air, for the ...
VacuumWavelength[element] gives a list of the wavelengths in vacuum of the resonance absorption lines produced by the specified element.VacuumWavelength[element, ionstage] ...
Ampere is the fundamental SI unit of electric current.
Centimeter is the fundamental CGS unit of length.
Dyne
(Units Package Symbol) Dyne is the derived CGS unit of force.
Erg
(Units Package Symbol) Erg is the derived CGS unit of energy.
Poise
(Units Package Symbol) Poise is the derived CGS unit of absolute viscosity.
Weber
(Units Package Symbol) Weber is the derived SI unit of magnetic flux.
FirstIntegral[u] represents a first integral associated with the variable u in the output of the function FirstIntegrals.