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- Atomic mass unit (kg), 1.660531E-27
- Avogardo's (1/kmole), 6.022045E26
- Bohr radius (m), 5.2917706E-11
- Boltzman's (J/K), 1.380662E-23
- e, 2.718281828459045
- Earth mass (kg), 5.974E24
- Earth equat. radius (m), 6.378E6
- Earth mean radius (m), 6.371E6
- Earth polar radius (m), 6.357E6
- Earth orbital vel 300 km alt (m/sec), 7726
- Earth orbital vel 35786 km alt (m/sec), 3075
- Electron charge (C), 1.6021892E-19
- Electron rest mass (kg), 9.109534E-31
- Euler's, 0.577215664901532
- Faraday (C/kmole), 9.6464560E7
- Fine Structure, 137.035963
- Gas Constant (J/K mole), 8.31441
- Gas Volume (m^3/mole), 2.241383E-2
- Gravity (cm/sec^2), 978.039
- Gravity (Nt m^2/kg^2), 6.6732E-11
- Moon mean radius (m), 1.738E6
- Moon mass (kg), 7.348E22
- Neutron rest mass (kg), 1.674920E-27
- Permeability (henry/m), 1.26E-6
- Permitivity, 8.85E-12
- Pi, 3.141592653589793
- Plank's (J-sec), 6.626176E-34
- Proton rest mass (kg), 1.672614E-27
- Rydberg (/meter), 1.097373177E7
- Solar (watts/m^2), 1340
- Speed of Light in Vacuum (m/sec), 2.9979245620E8
- Speed of Sound (m/sec), 340.29205
- Std Atmosphere (lb/in^2), 14.70
- Sun mass (kg), 1.989E30
- Triple Pt. of Water (K), 273.16