It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on a flight as Haggerty explained his idea for a calculator that could fit in the palm of a hand. This was a huge ...

Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite a ...

In 1966, there were no cheap, reliable keyboards. The keyboards that did exist were too bulky and expensive to work for the calculator. Jim Van Tassel took on the task of designing a small, ...

WASHINGTON –- In 1965, the consumer electronics revolution that would result in PCs, iPods, smart phones and myriad other electronic devices was still years off. And the predecessors of the integrated ...

In Part 1 of the story behind the invention of the handheld calculator, we left off with the development of the power supply. Part 2 concludes the story, kicking off with how the keyboard came about… ...