MANDELBROT_IMAGE:
  Compute the Mandelbrot set and display it.

  X range: [ -2, 0.5 ]
  Y range: [ -1.25, 1.25 ]
  Xnum = 720 x Ynum = 720 = 518400 Pixels
  Maximum number of iterations = 200

  Compute time:
  Wallclock: 7.92 sec.
        CPU: 7.92 sec.

  Plot saved in file "mandelbrot.png"

MANDELBROT_IMAGE:
  Normal end of execution.