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 ...

Microsoft has open sourced the code for its Windows Calculator app, inviting developers to help improve the tool's user experience while at the same time learning about and possibly adopting its ...

As any self-respecting geek knows, calculators have long sported all sorts of spiffy hidden tricks. From the .7734 “HELLO” hack that delighted us all in grade school to the more advanced graphic ...