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.

Basically Uno is a platform for creating cross-platform apps using a single code-base, so the folks at the company ported the Windows Calculator to C# and the Uno platform and posted the source to ...

[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 ...