diff options
author | Reinier Heeres <reinier@heeres.eu> | 2008-12-23 21:50:32 (GMT) |
---|---|---|
committer | Reinier Heeres <reinier@heeres.eu> | 2008-12-23 21:50:32 (GMT) |
commit | 6807696129436dbf071b606300ce6dda2adb1c50 (patch) | |
tree | 984328276f12f6d18f89ea5ea4e940a379c3993f /constants.py | |
parent | f0b95df2389c5686979b489fa5f2084fd3738edf (diff) |
Move to more flexible and faster parser based on python AST
Diffstat (limited to 'constants.py')
-rw-r--r-- | constants.py | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/constants.py b/constants.py new file mode 100644 index 0000000..f071ab3 --- /dev/null +++ b/constants.py @@ -0,0 +1,42 @@ +# constants.py, constants available in Calculate, +# by Reinier Heeres <reinier@heeres.eu> +# Most of these come from Wikipedia. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +import math as _math + +pi = _math.pi # 3.1415926535 +e = _math.exp(1) # 2.7182818284590451 + +class math: + golden_ratio = 1.61803398874989484820458683436563811 + +class physics: + c = 299792458 # Speed of light (in vacuum) + h = 6.6260689633e-34 # Planck's constant + hbar = 1.05457162853e-34 # Dirac's constant + mu0 = 4e-7 * pi # Magnetic permeability of vacuum + e0 = 8.854187817e-12 # Electric permeability of vacuum + + Na = 6.022141510e23 # Avogadro's number + kb = 1.380650524e-23 # Boltmann's constant + R = 8.31447215 # Gas constant + + c_e = -1.60217648740e-19 # Electron charge + m_e = 9.109382616e-31 # Electron mass + m_p = 1.6726217129e-27 # Proton mass + m_n = 1.6749272928e-27 # Neutron mass + |