conhelp
From DavinciWiki
|
Contents: Description, Arguments, Usage, Examples, Sub-Functions, Related Functions, Source Supported Under Version: >1.00
Description Displays description of con (constants structure) This is a user-defined function from constants.dvrc
Arguments and Return Values Arguments: None; just enter conhelp() Return Value: Prints description of each element of structure con when not given any input; returns zero for any input(s)
Usage Syntax: conhelp()
Examples dv> con
struct, 23 elements
e: 2.71828
phi: 1.61803
pi: 3.14159
AU: 1.49598e+11
b: 0.00289777
c: 2.99792e+08
eps0: 8.85419e-12
eV: 1.60218e-19
F: 96485.3
G: 6.67428e-11
g: 9.80665
h: 6.62607e-34
hbar: 1.05457e-34
k: 1.38065e-23
me: 9.10938e-31
mn: 1.67493e-27
mp: 1.67262e-27
mu: 1.66054e-27
mu0: 1.25664e-06
NA: 6.02214e+23
qe: 1.60218e-19
R: 8.31447
sigma: 5.67040e-08
dv> conhelp()
conhelp() displays descriptions of all physical constants in structure con
S.Marshall 02-18-2008
e = 2.718281828459045 Base of natural logarithm
phi = 1.618033988749895 Golden ratio
pi = 3.141592653589793 Pi
AU = 1.49597870691e+11 m Astronomical unit
The following physical constants use the CODATA 2006 values,
from http://physics.nist.gov/cuu/Constants
b = 2.8977685e-03 m*K Wien wavelength displacement law constant
c = 299792458 m/s Speed of light in a vacuum (exact)
eps0 = 8.854187817e-12 F/m Electric constant (permittivity)
eV = 1.602176487e-19 J Electron volt
F = 96485.3399 C/mol Faraday constant
G = 6.67428e-11 m^3/kg/s^2 Newtonian gravitation constant
g = 9.80665 m/s^2 Standard acceleration due to gravity (exact)
h = 6.62606896e-34 J*s Planck constant
hbar = 1.054571628e-34 J*s Reduced Planck constant (Dirac constant)
k = 1.3806504e-23 J/K Boltzmann constant
me = 9.10938215e-31 kg Electron mass
mn = 1.674927211e-27 kg Neutron mass
mp = 1.672621637e-27 kg Proton mass
mu = 1.660538782e-27 kg Atomic mass constant
mu0 = 1.2566370614e-06 N/A^2 Magnetic constant (permeability)
NA = 6.02214179e+23 mol^-1 Avogadro's number
qe = 1.602176487e-19 C Elementary charge
R = 8.314472 J/mol/K Ideal/molar gas constant
sigma = 5.670400e-08 W/m^2/K^4 Stefan-Boltzmann constant
0
dv> conhelp(1)
0
|
DavinciWiki Mini-Nav Bar Contents
Contact Developers
All other topics
Recent Library Changes Created On: 12-12-2007 |
