## Constants

Complete overview of constants available on calcul.io

atomicMass | Atomic mass constant |

avogadro | Avogadro's number |

bohrMagneton | Borh magneton |

bohrRadius | Borh radius |

boltzmann | Boltzmann constant |

classicalElectronRadius | Classical electron radius |

conductanceQuantum | Conductance quantum |

coulomb | Coulomb's constant |

deuteronMass | Deuteron Mass |

e | Euler's number, the base of the natural logarithm. Approximately equal to 2.71828 |

efimovFactor | Efimov factor |

electricConstant | Electric constant (vacuum permeability) |

electronMass | Electron mass |

elementaryCharge | Elementary charge |

false | Boolean value false |

faraday | Faraday constant |

fermiCoupling | Fermi coupling constant |

fineStructure | Fine-structure constant |

firstRadiation | First radiation constant |

gasConstant | Gas constant |

gravitationConstant | Newtonian constant of gravitation |

gravity | Standard acceleration of gravity (standard acceleration of free-fall on Earth) |

hartreeEnergy | Hartree energy |

i | Imaginary unit, defined as i*i=-1. A complex number is described as a + b*i, where a is the real part, and b is the imaginary part. |

Infinity | Infinity, a number which is larger than the maximum number that can be handled by a floating point number. |

inverseConductanceQuantum | Inverse conductance quantum |

klitzing | Von Klitzing constant |

LN10 | Returns the natural logarithm of 10, approximately equal to 2.302 |

LN2 | Returns the natural logarithm of 2, approximately equal to 0.693 |

LOG10E | Returns the base-10 logarithm of E, approximately equal to 0.434 |

LOG2E | Returns the base-2 logarithm of E, approximately equal to 1.442 |

loschmidt | Loschmidt constant at T=273.15 K and p=101.325 kPa |

magneticConstant | Magnetic constant (vacuum permeability) |

magneticFluxQuantum | Magnetic flux quantum |

molarMass | Molar mass constant |

molarMassC12 | Molar mass constant of carbon-12 |

molarPlanckConstant | Molar Planck constant |

molarVolume | Molar volume of an ideal gas at T=273.15 K and p=101.325 kPa |

NaN | Not a number |

neutronMass | Neutron mass |

nuclearMagneton | Nuclear magneton |

null | Value null |

phi | Phi is the golden ratio. Two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Phi is defined as `(1 + sqrt(5)) / 2` and is approximately 1.618034... |

pi | The number pi is a mathematical constant that is the ratio of a circle's circumference to its diameter, and is approximately equal to 3.14159 |

planckCharge | Planck charge |

planckConstant | Planck constant |

planckLength | Planck length |

planckMass | Planck mass |

planckTemperature | Planck temperature |

planckTime | Planck time |

protonMass | Proton mass |

quantumOfCirculation | Quantum of circulation |

reducedPlanckConstant | Reduced Planck constant |

rydberg | Rydberg constant |

sackurTetrode | Sackur-Tetrode constant at T=1 K and p=101.325 kPa |

secondRadiation | Second radiation constant |

speedOfLight | Speed of light in vacuum |

SQRT1_2 | Returns the square root of 1/2, approximately equal to 0.707 |

SQRT2 | Returns the square root of 2, approximately equal to 1.414 |

stefanBoltzmann | Stefan-Boltzmann constant |

tau | Tau is the ratio constant of a circle's circumference to radius, equal to 2 * pi, approximately 6.2832. |

thomsonCrossSection | Thomson cross section |

true | Boolean value true |

vacuumImpedance | Characteristic impedance of vacuum |

weakMixingAngle | Weak mixing angle |

wienDisplacement | Wien displacement law constant |