Calculator Plus

Hi Everyone, time for new release. 😎
Lots of changes this time. Here is the full changelogs. Enjoy!! 🔥 🔥 🔥

Added Memory Functions
Added Material Dark Theme
Changes to Material Light Theme
Adapted the Material App changes in Android Q
Font changed to Product Sans
Updated Target SDK to Android Pie
Migrated to new Androidx library
Fixed negative inside bracket bug
Fixed scrolling issues in theme page
Fixed RAD/DEG switch
Small bug fixes here and there !!