Electric constant, vacuum permittivity
2.4263102389E-12 (6.5E-10)
Compton wavelength of the electron
1.3195909068E-15 (8.2E-10)
Compton wavelength of the neutron
1.32140985623E-15 (7.1E-10)
Compton wavelength of the proton
Magnetic constant, also known as vacuum
permeability
Stefan Boltzmann constant
Angular velocity of the Earth according to
WGS84 (see Sa above)
Negative and positive infinity (may the Lord of
Mathematics forgive us calling these two con-
stants)