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 ...

Nerds of the world jump of happiness, for HP has brought the legendary HP 15C Scientific Calculator and the HP 12C Financial Calculator for the iPhone and iPod touch, complete with custom skins and ...

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, ...