Echolot is (c) 2002 Peter Palfrader <peter@palfrader.org>

Echolot is free software. you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


The lib directory includes software by Peter J. Acklam <pjacklam@online.no>:
 - Math::SpecFun::Erf
 - Statistics::Distrib::Normal

Those modules may be distributed under the same terms as Perl itself (the GNU
General Public License and the Artistic License).