If you like Nixie tubes and/or DIY calculators, checkout this interesting talk from the HP Handheld Conference in Orlando last month by [Eric Smith] from Brouhaha and [John Doran] from Time Fracture.

The early HP Reverse Polish Notation calculators have a special place in the hearts of engineers and tinkerers as there are lots of projects involving them. They haven’t been produced in decades, but ...

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 ...

Hewlett-Packard has given new life to its calculator history through applications for the iPhone and Windows. They're practical, but not cheap. Stephen Shankland worked at CNET from 1998 to 2024 and ...

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 ...

The HP calculator enthusiast community has long had calculator emulators running on the PC. Now HP itself has entered the market with multiple offerings running on PCs and Apple’s iPhone and iPod ...

Although the calculator of the future may resemble a handheld computer, Hewlett-Packard has decided that now is not the time to merge the two. The company has pulled the plug on Xpander, a graphing ...