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, ...
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, ...
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