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 ...

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 ...

Today’s supply chain issues can make it hard to buy microcontrollers, or really any kind of semiconductor. But for those keeping retrocomputers alive, this problem has always existed: ancient ...

This device is part of a series that included the HP-31E, the HP-32E, the HP-33E, the HP-33C, the HP-34C, the HP-37E, the HP-38E and the HP-38C. Compare 1987.0435.09 (an HP-25) and 1987.0435.11 (an HP ...

Greetings,<BR><BR>I'm a computer science student. As the title of this thread suggests, I'm looking for the most powerful(in terms of the criteria listed below) scientific calculator. Graphing ...

When the band support on [David]’s Casio CFX-400 Scientific Calculator Watch finally broke after 10 years of use, he found it almost impossible to find another watch with the same functionality. Like ...

I think you'll agree – EDN needs more teardowns! In that spirit, I've taken a screwdriver to my rare and wonderful Wang LOCI-2 calculator. This machine's design seems to be from 1965, though I ...

In 1976, Steve Wozniak sold his HP-65 programmable calculator for $500 to start a computer company with Steve Jobs. It wasn’t a huge sacrifice. As a calculator engineer at Hewlett-Packard, he knew ...

Over the course of the 1970s, handheld electronic calculators transformed the way tens of millions of people did arithmetic. Engineers abandoned slide rules, business people gave up desktop ...