Changelog for mathex-0.3b-3.el7.x86_64.rpm :

* Sun Aug 17 2014 Fedora Release Engineering - 0.3b-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
* Sun Jun 15 2014 Sandro Mani - 0.3b-2- Fix line endings
* Sat Jun 14 2014 Sandro Mani - 0.3b-1- Initial package