HP-35
Discover the HP-35, the first handheld scientific calculator, presented by Micro Technology Services, Inc. (MTSI). Explore the history and impact of this groundbreaking device that revolutionized calculations for engineers, scientists, and educators worldwide.
The HP-35 calculator was the first handheld, battery-powered scientific calculator. I was awestruck and had no idea that I would soon work on them at an intimate level at the very company that designed and made the HP-35 ICs.