Use APKPure App
Get Floating Calculator old version APK for Android
Floating Calculator (Transparent Sizable Interface)
Floating Calculator
feature:
--Transparent Interface.
--You can freely adjust the size of Interface.
--Iphone Style Interface.
If your phone system is Android 6.0+ or the App crashes when you first start or the calculator is not generated in your screen, please go to Settings --- Apps and click the setting icon in the upper right of the screen, then set "Draw over other apps" to "Yes".