Create a calculator android app in android studio with advanced features.

App must not like other simple calculator apps. It must be different from other apps, with some amazing extra features. You can add number of features to make it different.
Your work should be original. Please don't shared copied or anyone else's work.

Share a zip folder with entire project files, abb, apk file. Please also mention package name.

If we find anyone trying to cheat, we won't consider his/her entry.
Thank you.
Looking forward to seeing your amazing work.