gcalctool 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 gcalctool 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 gcalctool if not write to the free software foundation inc 51 franklin street fifth floor boston ma 021101301 usa