Casio’s CA53W calculator watch is evaluated for its lightweight construction, built-in functions, and five-year battery life, ...

Handheld electronics have become so ubiquitous to our society that it’s difficult for the younger generations to imagine their lives without them. Whether it’s a smartphone, an iPad, a tablet, an MP3 ...

Iofree has created a new retro mechanical calculator called the Digit which it has launched via Kickstarter this week and already blasted past its required pledge goal thanks to over 450 backers with ...

In 1966, there were no cheap, reliable keyboards. The keyboards that did exist were too bulky and expensive to work for the calculator. Jim Van Tassel took on the task of designing a small, ...