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 ...

So the shocking discovery of an apparently rogue HP-12C has sent tremors through the calculator aficionado world.… The HP-12C ...

So we’re not surprised at all to hear that [Tomas Pavlovic] jumped at the chance to grab this faulty HP-48S calculator for a couple bucks. Luckily for us, the story doesn’t end at the bottom ...

Like microcomputers, they incorporated changes in microprocessor technology and displays. Many companies that sold calculators, such as Hewlett-Packard, Texas Instruments, Tandy Corporation, and ...

Perold, Andre F. "Black-Scholes Option Pricing Program for the HP 12C Calculator." Harvard Business School Background Note 285-057, November 1984.

The company decided to market it as a programmable calculator because the term "computer" was associated with much larger ...