Back in my previous life, I was a finance guy—that’s what my undergraduate degree is in, and that’s how I made my living for many years. Through it all, one particular piece of gear was always at my ...

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 ...

In 1981, Hewlett-Packard introduced the HP-12C financial calculator, and it became the standard financial calculator used by financial anlaysts, mortgage bankers, stock analysts, bond traders, ...

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 ...

For math geeks, it doesn’t get better than this. Hewlett-Packard is marking the 30th anniversary of its HP 12c Financial Calculator today by launching a limited-edition version aimed at nostalgic fans ...

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