Casio’s new Comfy calculator shifts its solar panel up for aesthetics. You’ll find the Comfy JT-200T’s solar panel on its top edge instead of crowding its screen and buttons.

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 ...

Casio’s Tough Solar feature is very welcome. Despite the Bluetooth connection, you don’t have to plug the watch in to a charger, as the solar cells on the dial collect enough energy to power it.

Which Casio scientific calculators are best? You will probably need a Casio scientific calculator at some point in your educational journey to help you figure out formulas, equations, variables ...

40 Years Later, the Original Casio G-Shock Watch Is Back With Solar Power and More Accurate Timekeeping The new Casio GW5000U-1 is even tougher than the original DW-5000C.

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 ...