Class FloatConstants

    • Field Detail

      • AVOGADRO

        public static final SIScalar AVOGADRO
        Number of constituent particles in a Mole; a.k.a. Avogadro's number. This value is exact since the 2019 redefinition of the SI base units.
      • BOLTZMANN

        public static final SIScalar BOLTZMANN
        Boltzmann constant in Joule per Kelvin (this value is exact since the 2019 redefinition of SI base units). See Wikipedia: Boltzmann constant
      • CESIUM133_FREQUENCY

        public static final Frequency CESIUM133_FREQUENCY
        The Cesium 133 ground state hyperfine structure transition frequency. This value is exact since the 2006 redefinition of the SI base units.
      • ELECTRONCHARGE

        public static final ElectricalCharge ELECTRONCHARGE
        Electrical charge of one electron. This value is exact since the 2019 redefinition of the SI base units.
      • ELECTRONMASS

        public static final Mass ELECTRONMASS
        Mass of an electron. See Wikipedia Physical constant. This value of this physical constant has an uncertainty of 2.8e-40 kg.
      • PROTONCHARGE

        public static final ElectricalCharge PROTONCHARGE
        ElectricalCharge of one proton.
      • PROTONMASS

        public static final Mass PROTONMASS
        Mass of a proton. See Wikipedia Physical constant. This value of this physical constant has an uncertainty of 5.1e-37.
      • G

        public static final SIScalar G
        Gravitational constant, a.k.a. Newtonian constant of gravitation. This is the 2018 best known approximation, which has an uncertainty 1.5e-15 m^3/kgs^2
      • LIGHTSPEED

        public static final Speed LIGHTSPEED
        Speed of light in vacuum. This value is exact (since the 2006 redefinition of the SI base units).
      • VACUUMIMPEDANCE

        public static final SIScalar VACUUMIMPEDANCE
        Impedance of vacuum.
      • PLANCK

        public static final SIScalar PLANCK
        Planck constant; ratio of a photon's energy and its frequency. This value is exact since the 2019 redefinition of the SI base units.
      • LUMINOUS_EFFICACY_540THZ

        public static final SIScalar LUMINOUS_EFFICACY_540THZ
        The luminous efficacy Kcd of monochromatic radiation of frequency 540×10^12 Hz (540 THz). This is the frequency of a green-colored light at approximately the peak sensitivity of the human eye. This value is exact since the 2006 redefinition of the SI base units.
      • TAU

        public static final Dimensionless TAU
        Ratio of circumference of circle and its radius.
      • PLANKREDUCED

        public static final SIScalar PLANKREDUCED
        Reduced Planck constant, a.k.a. angular Planck constant; Planck constant divided by 2 pi.