If you know that 5 Enter 4 + 2 Enter 1+ ÷ equals 3, odds are there’s an HP 12c on your desk. In the 23 years since the 12c debuted, Hewlett-Packard Co. has sold millions of the financial calculator, ...

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 ...

Hewlett-Packard (HP) today announced iPhone-app versions of three classic HP calculators: the HP 12c, HP 12c Platinum, and HP 15C. When run in landscape mode, each app uses the original ROM code and ...

Hewlett-Packard is marking the 30th anniversary of its HP 12c Financial Calculator today by launching a limited-edition version aimed at nostalgic fans. While the company hasn't won praise for its ...

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, ...

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 ...

Before there were Palms, Pocket PCs, Psions or even Sharp Wizards, there were calculators. Not big mechanical adding machines, but portable models made by Hewlett-Packard that everyone from grade ...