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test org

\[ e^iπ = -1 \]

\[ ∫_0^∞ e^{-x^2} dx = \frac{\sqrt{π}}{2} \]

x = 12
print("hello")

def foo(x):
  if x>0:
    return x+1
  else:
    return x-1

foo(1)

import matplotlib, numpy
matplotlib.use('Agg')
import matplotlib.pyplot as plt
fig=plt.figure(figsize=(4,2))
x=numpy.linspace(-15,15)
plt.plot(numpy.sin(x)/x)
fig.tight_layout()
plt.savefig('python-matplot-fig.png')
return 'python-matplot-fig.png' # return filename to org-mode

#include "stdlib.h"
int main()
{
  for (int i=0; i<somedata_rows; i++) {
    printf ("%2d ", i);
    for (int j=0; j<somedata_cols; j++) {
      const char* cell = somedata[i][j];
      printf ("%5s %5g ", cell, 1000*atof(cell));
    }
    printf("\n");
  }
  return 0;
}

printf ("mystring %s\n", mystring);
printf ("myint    %d\n", myint);
printf ("mydouble %g\n", mydouble);