Shirt Pocket Slide Rule: History of the HP-35
In a recently updated post, [Codex99] has a detailed history of the HP-35 pocket calculator. Unless you are a certain age, you probably don’t think much of calculators. They are cheap and not very essential in this day of cell phones and PCs. But in the 1970s they were amazing technology and the desire of every engineer and engineering student.
The story opens in 1965 when Tom Osborne — who was not an HP employee — build a floating point calculator he called the Green Machine. Apparently, he had painted the balsa wood case green. He had been showing it …read more
Continue reading Shirt Pocket Slide Rule: History of the HP-35
SirionLabs, a startup providing vendor management software to enterprises, is adding a US headquarters to its footprint. The company was initially founded in India and has raised $16.95 million from Sequoia Capital India, Canopy Ventures and Qualgro VC to extract data from contracts to ensure transparency and accountability. The establishment of a US presence represents a strategic shift…