A Brief History: According to the Texas Instruments website ... definable keys (with 35 keys controlling more than 80 operations) and was the first HP pocket calculator with base conversions (octal ...

It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on ... they should come up with a calculator that could fit in your pocket, cost less than $100, and could ...

To snag the world's attention, Texas Instruments needed a marketing gimmick. They wanted a flashy product to showcase the IC. A calculator seemed just the thing. In a mere two years, a TI group ...