1. 2018-03-25 D11574: Add build compatibility qalculate-backend wit kde-edu Albert Astals Cid 2. 2018-03-25 D11574: Add build compatibility qalculate-backend wit kde-edu-d Albert Astals Cid 3. 2018-03-25 D11574: Add build compatibility qalculate-backend wit kde-edu-d Alexander Semke 4. 2018-03-25 D11574: Add build compatibility qalculate-backend wit kde-edu Alexander Semke 5. 2018-03-22 D11574: Add build compatibility qalculate-backend wit kde-edu-d Nikita Sirgienko 6. 2018-03-22 D11574: Add build compatibility qalculate-backend wit kde-edu Nikita Sirgienko