Calculator application for simple arithmetic operations. In the future, scientific calculations can also be added.
We may leverage the plasma desktop counterpart [[ https://cgit.kde.org/kcalc.git/ | KCalc ]], considering either porting or code sharing.
Knowledge Requirements: Willing to learn Qt/QML, CMake.
System Requirements: You can develop this application on normal Linux system, and test it in native Linux system. If you want to test it on Plasma Mobile system, you can use actual Mobile device or Plasma Mobile x86 ISO in emulated environment.