Five hundred eighty-three calculators, 128 brands and one man who has painstakingly cataloged them all. Emil Dudek, a technology enthusiast who lives in South Wales, U.K., has spent the last eight ...

Back in the ancient days of yesteryear, calculators were physical devices with buttons. Now they’ve been replaced by the phone in your pocket. If you miss those days, but still like your phone, this ...

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There’s something about Reverse Polish Notation (RPN) and the calculators that use it. It calls to mind a time when a calculator was a serious tool, and not just a throwaway toy. Created in the legacy ...

For a brief time in the 1970s, the calculator represented the height of office design chic. Desktop calculators came in pops of primary colors or encased in wood paneling. They were expensive. Elite.

Back in 1976, when calculators were not common or cheap, a company named MEGO made the Star Trekulator: a calculator sporting a Star Trek theme. However, it was a bit odd since the calculator didn’t ...

Sharp was a frontrunner among the many companies that began developing calculators throughout the 1960s and 1970s. Until 1970, Sharp was only the trade name of the Hayakawa Electric Industry Company; ...

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 ...

It's not just us that can freak out when we can't solve a complex maths problem. The answer to 'what is one divided by zero?' causes old-fashioned calculators to have a mechanical meltdown. A video ...