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 ...

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 ...

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 ...