Sat Feb 11 10:43:34 2023

two_flies_circle_test()
  Two flies land at random on a circular plate of radius 1.
  What is the average distance between them?
  Exact average is 0.9054147873672269

      n    dmin   dmean    dmax    dvar    dstd  ||dmean-exact||

     10  0.4566  1.1852  1.9378  0.1363  0.3692  0.2798
    100  0.0834  0.8799  1.9139  0.1860  0.4313  0.0255
   1000  0.0197  0.8913  1.9493  0.1864  0.4317  0.0141
  10000  0.0104  0.9096  1.9704  0.1818  0.4264  0.0041
Sat Feb 11 10:43:35 2023