Python Code Runner

Initial Settings:

import math
import numpy as np
from numpy import exp, log, log10, sin, cos, tan, arcsin, arccos, arctan, arctan2
import sys
from io import StringIO

buffer = StringIO()
sys.stdout = buffer

# SI unit definition by CGPM on Nov 18-20, 2014
h           = 6.62607015e-34   # Js
h_bar       = 1.05457203e-34   # Js
hbar        = h_bar
e           = 1.602176634e-19  # C
kB          = 1.380649e-23     # JK-1
NA          = 6.02214076e23    # mol-1

c           = 2.99792458e8     # m/s

pi          = 3.14159265358979323846
pi2         = pi + pi
torad       = 0.01745329251944 # rad/deg
todeg       = 57.29577951472   # deg/rad
basee       = 2.71828183
me          = 9.1093897e-31    # kg
mp          = 1.6726231e-27    # kg
mn          = 1.67495e-27      # kg
u0          = 4.0 * 3.14*1e-7; # Ns^2C^-2
e0          = 8.854418782e-12; # C^2/N/m^2
e2_4pie0    = 2.30711e-28      # Nm<sup>2</sup>";
a0          = 5.29177e-11      # m";
R           = 8.31451          # J/K/mol";
F           = 96485.3          # C/mol";
g           = 9.81             # m/s2";

G                = 6.67259e-11        #Nm2/kg2 
DayToSecond      = 60 * 60 * 24       #s
SecondToDay      = 1.0 / DayToSecond
AstronomicalUnit = 1.49597870e11      #m
AU               = AstronomicalUnit

HartreeToeV = 27.2116          # eV";
HTV         = HartreeToeV;
RyToeV      = HartreeToeV / 2.0
KToeV       = kB / e
eVToK       = e / kB
JToeV       = 1.0 / e
eVToJ       = e
Debye       = 3.33564e-30       # Cm, for dipole (D)

T0_absolute = 273.15

Python Code:

'Run Eval' shows the return value if the python code is a single math expression.
'Run Exec' executes the python code.

Result:

It may take some time to load Python libraries, which could cause an error during the initial run.