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, ...

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, ...

Macworld reports on Hewlett Packard's recent release of two iPhone app versions of classic HP calculators, the HP 12C Financial Calculator [App Store, $14.99] and the HP 15C Scientific Calculator [App ...