Changelog for calcium-calculator-7.9.5-3.fc30.x86_64.rpm :

* Mon Dec 09 2019 Ankur Sinha - 7.9.5-3- Rename binary to prevent conflict with calc: 1781235
* Wed Jul 24 2019 Fedora Release Engineering - 7.9.5-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri Jul 19 2019 Ankur Sinha - 7.9.5-1- Initial package