This is a complete tutorial, discussing how to build a simple calculator app for Android. Check it out, and implement some of the recommended improvements.

The Windows Calculator is now open source, and the folks at Uno Platform took the source code and put it onto Android.

We will examine some of the top contenders that empower app developers to create the best-performing and most engaging apps, amplifying the Android experience. Android Studio leads the way as it is ...

[Click on image for larger view.] Uno Calculator (source: Uno Platform). Enabling the same C# and XAML code to run on Web, mobile and desktop is "what we do," the team said in a June 25 blog post ...