the Fitbit mobile app
Here's a cozy calculator app heavily inspired by the iOS' calculator app.
Free to use, this app let's you make quick and simple calculations with ease.
How to use
[UP BUTTON]: Clears the calculator's output.
[DOWN BUTTON]: formats the displayed number. (REMOVED)
[Swipe left]: to access the operators.
(02-24-2019): Added support for Fitbit Ionic