You'll find it in three finishes here – black is the original, but we also have a green-blue hue which is inspired by the original Casio personal calculator from 1972, and an ivory finish.

Multifunction watches from the 1980s, including the iconic Casio calculator watch still sold today for a modest $20, also are shown. Some could retain phone numbers; others, calculate temperature ...

Geek Watch is available on the App Store now for $1. At this point, it seems to be more of a novelty purchase as other calculator apps for the Apple, such as CalcBot and PCalc , offer more ...

The watches' calculator function can add, subtract, multiply, and divide up to eight digits. As for watch functions, you get dual time, an alarm, stopwatch functionality, and more.

Although Casio’s first wearable calculators debuted in 1980, its new lineup of calculator watches pay tribute to even older hardware. They’re styled after the Casio Mini, the company’s first ...

The app is called Geek Watch, and for obvious reasons there's no official Casio branding, as that would cause serious legal problems for the $0.99 app, but just about every other detail has been ...

If I know you, here is what you must do: Buy me this watch for Christmas. I will, in return, buy you the same thing I get you every year — nothing. But if you fail to hook me up with one of ...

Plenty of people have compared the Apple Watch to the classic Casio calculator watch; these guys went ahead and made the inevitable app. Meet GeekWatch — the app that turns your Apple Watch into ...

Casio invented the unbreakable G-Shock watch, now in its 37th year of production, but before that it had pioneered electronic calculators, and launched digital watches, musical instruments ...

While we're talking about cult classic watches, the Casio Calculator watch deserves a mention. Perhaps best known from its appearance on the wrist of Marty McFly in the hit film, Back to the ...