They long ago outlived every phone, calculator and computer of their generation. These days, you’ll still see them prominently displayed on the desks of many certified financial planners. But if you ...

I have to go buy a new calculator for my combinatorics class, as well as for the physics classes I'm teaching next year. While my old HP 48G still works, it lacks the connectivity options I need for ...

We take wireless charging for granted with many of the gadgets we use today, such as smartphones, among others. Four decades ago, electronics like calculators were relatively new inventions, and most ...

Well, after years and years of use, I finally made the decision to retire my old HP 48GX calculator. It sometimes felt painfully slow navigating certain menus and screens, and there were some minor ...

Former CNET editor Dong Ngo has been involved with technology since 2000, starting with testing gadgets and writing code for CNET Labs' benchmarks. He managed CNET's San Francisco Labs, reviews 3D ...

Fifty years ago, Hewlett-Packard introduced the first handheld scientific calculator, the HP-35. It was quite the engineering feat, since equivalent machines of the day were bulky desktop affairs, if ...

Editor’s note: Also see Ken Coffman’s blog: The HP15C returns as an iPhone app. With the emergence of hand-sized computers, calculators have lost some of their former prominence, yet they continue to ...

Even if you’re obsessed with owning the latest and greatest tech, there’s probably still an older gadget you still have a soft spot for. Maybe it’s the original Game Boy, or a classic PDA? For Jan ...

Pictured above is the HP 12C Financial Programmable Calculator, available from the Hewlett-Packard website for $69.99. What makes this calculator totally unique among all consumer electronic products ...