DropCalc
The calculator that lives in
your notification drawer
your notification drawer
Choose the calculator that works best for you!
Heads up! You need to be on Android 5.0 or later.
DropCalc works only on Android 5.0 Lollipop or later.
To check if your Android 4.x device is ready for Android 5.0 or later, go to Settings > About device > System updates, or check the website of your device's manufacturer.