Remoticon 2021 // Rob Weinstein Builds an HP-35 from the Patent Up

Fifty years ago, Hewlett-Packard introduced the first handheld scientific calculator, the HP-35. It was quite the engineering feat, since equivalent machines of the day were bulky desktop affairs, if not …read more Continue reading Remoticon 2021 // Rob Weinstein Builds an HP-35 from the Patent Up