galculator - GTK 2 based scientific calculator
http://li.nux.ro/download/nux/dextop/el6/i386/
# rpm -Uvh nux-dextop-release*rpm
# yum install galculator
2012-07-19 - Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.4-7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
2012-01-13 - Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.4-6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
2011-11-07 - Tomas Mraz <tmraz@redhat.com> - 1.3.4-5 - Rebuilt for new libpng
2011-02-08 - Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.4-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
2010-02-16 - Tomas Mraz <tmraz@redhat.com> - 1.3.4-3 - fix FTBFS due to linker changes (#564759)
2009-07-24 - Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.4-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild
2009-03-01 - Christoph Wickert <cwickert@fedoraproject.org> - 1.3.4-1 - Update to 1.3.4
2009-02-24 - Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.1-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild
2008-06-04 - Tomas Mraz <tmraz@redhat.com> - 1.3.1-1 - upgrade to latest upstream
2008-02-20 - Fedora Release Engineering <rel-eng@fedoraproject.org> - 1.2.5.2-3 - Autorebuild for GCC 4.3