The iPad lacks a built-in calculator but there’s no shortage of 3rd party ones in the App Store. I’ve already reviewed Calcbot for iPhone and iPad and I’m loving it, but this one’s good, too. Digits ...

Google has rebuilt Chrome OS’s built-in Calculator app, making it available for all devices, not just Chromebooks. For years now, Chromebook owners have been able to use Google’s free calculator app.

Microsoft has released the code for the Calculator app. This move is the latest in Microsoft’s efforts to capitalize on the Open Source community. Previous efforts have been the Open Sourcing of an ...