/* numeratr.con (C)opyright 1990, by Keith Flower. This file contains the symbolic constants used by Numerator. You can edit this file to add your own constants, you can change the names or values of existing constants, or you can delete unneeded constants. The format of this file is constant_name value Information enclosed in 'C' style comments ("/* ... */") is ignored. See the Numerator documentation for additional information. */ /* Mathematical constants. */ PI 3.14159265358979323846 /* Ratio of circle circumference to diameter */ E 2.71828182845904523536 /* Base of natural logarithms */ GAMMA 0.57721566490153286060 /* Euler-Mascheroni constant */ PHI 1.61803398874989484820 /* Golden ratio */ /* Physical and chemical constants. */ N 6.02252e23 /* Avogadros constant (g-mol)^-1 */ c 299792458.0 /* Speed of light in vacuum, meters / second */ k 1.38054e-23 /* Boltzmanns constant J/K */ e 1.60210e-19 /* Electron charge, coulombs */ R 8.31434 /* Gas constant J/mol-K */ h 6.62559e-34 /* Planck constant J-s */ c2 8.987551787e+016 /* Mass-energy relationship, joules/kg */ G 6.6726e-11 /* Gravitational constant, Nm^2/kg^2 */ R 8.31441 /* Universal gas constant, J/molK */ u 1.256637061e-6 /* Permeability constant, H/m */ e0 8.854187818e-12 /* Permittivity constant, F/m */ me 9.109534e-31 /* Electron rest mass, kg */ e/me 1.7588047e+11 /* Electron charge to mass ratio, C/kg */ mp 1.6726485e-27 /* Proton rest mass, kg */ a0 5.2917706e-11 /* Bohr radius, meters */