Calc is free.

Copyright © 2022,2023 ToshioCP (Toshio Sekiya)

The programs packed in this repository are free; you can redistribute them and/or modify them under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License or, at your option, any later version.

They are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See GNU General Public License for more details.