[Piotr Patek] ran into this issue when he obtained an Elektronika MK-85 programmable calculator with a broken CPU. Unable to find a replacement, he decided instead to build a pin-compatible CPU ...

What’s better than a Nixie tube? More Nixies. What’s better than a calculator? An RPN calculator. What do you get when you combine the two? A calculator that is absurdly large, even by 1970s ...

He was 12. It was the best birthday gift his parents ever gave him. Not a bike, not a pair of skis, not a model rocket — it was a programmable calculator. "I was a total geek," admits Carlos Brody in ...

.NET has finally been out long enough that I'm starting to see little utilities and shareware applications that depend on the .NET Framework. Here's an example that will bring a nostalgic smile to ...