Today I have uploaded the Orange & Czarny calculator 1.0.5 for Fedora under my Application section, please try it and let me know via support or twitter if you have any issues.
Simple Calculator Orange & Czarny offers:
Nice friendly look & feel.
Enable / Disable sound
Accept Mouse input
keyboard Numpab enabled
Save / print history through your browser
– Requires to install and run “Java Runtime Environment (JRE) 7”