Easter tables of Dionysius Exiguus computed in Excel, Copyright 2006, is free software; you can redistribute it and/or modify it under the terms of the GNU public license as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
These programs are 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 public license for more details.