NAME

App::Math::Tutor::Cmd::Natural::Cmd::Add - Plugin for addition and subtraction of natural numbers

LICENSE AND COPYRIGHT

Copyright 2010-2014 Jens Rehsack.

This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.