Chaos calculators

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For people interested in analyzing the chaotic behaviour of time series data, three freely available softwares at:

1. TISEAN : http://www.mpipks-dresden.mpg.de/~tisean/TISEAN_2.1/

2. Visual Recurrence Analysis : http://home.netcom.com/~eugenek/download.html

3. MATLAB add ons : http://kalman.iau.dtu.dk/research/control/nnsysid.html