The author makes no warranties, express or implied, that the programs contained in this tutorial are free of errors, or are consistent with any particular standard of merchantability. They should not be relied on for solving a problem whose incorrect solution could result in injury to a person or loss of property. If you do use the program in such a manner, it is at your own risk. The authors disclaim all liability for direct or consequential damages resulting from your use of the programs.

The source code packages of this project, jHPlot and JeHEP IDE, are licensed by the GNU General Public License (GPL). The source code for a particular module can be sent by request.

jHepWork language files, documentation, examples, installers, code-assist databases and certain third-party libraries are subject to the Creative Commons Attribution-Share Alike License; either version 3.0 of the License, or any later version. Permission to use, copy and modify this software and its documentation for COMMERCIAL purposes is granted after the written permission from jHepWork and after attributing the work to the jHepWork project.

Thus, the entire jHepWork is a NOT COMMERCIAL product. You are free to use it if you are working in an academic institution, an institution of higher education, K12, working directly for or volunteering for a non-profit organisation and for personal use (not for your business).

If you will use it for COMMERCIAL purposes, you should contact at jhepwork(AT)jwork.org to receive a version of this program with a more permissive license and the written permission from jHepWork.

Although jHepWork is professionally written and many libraries have tested by large scientific community. We cannot guarantee that it is fault free in all possible foreseeable situations. Therefore, you use this package at your own risk.