Constants
These user symbols are named "constants" in terms of their mathematics and physics sense. They also can be edited.
Mathematical constants
Name | Description |
---|---|
pi | Pi constant |
e | Euler's number |
i | Imaginary unit |
Physical constants
The below listed constants are in the file: include/const/basic.ncl.
Name | Description |
---|---|
phi | golden ratio |
gamma | Euler–Mascheroni constant |
N_a | Avogadro constant |
a_e_m | atomic mass constant |
k_b | Boltzmann constant |
R | gas constant |
c | velocity of light |
e_c | elementary charge |
F_F | Faraday constant |
G | gravitational constant |
mu_0 | magnetic constant |
h_p | Planck constant |
h_d | Dirac constant |
eps_0 | electric constant |
m_e | electron mass |
m_p | proton mass |
m_n | neutron mass |
alpha_s | fine-structure constant |
a_0 | Bohr radius |
R_c | Rydberg constant |
mu_b | Bohr magneton |
g_a | gravitational acceleration |
m_P | Planck mass |
l_P | Planck length |
t_P | Planck time |