The HP-35 scientific calculator, which debuted in 1972, around the same time dingo boots were in fashion. It had logarithmic and exponential functions and could handle 10-digit numbers. It replaced the slide rule. Bill Hewlett told the designers to make something that would fit into a shirt pocket.
Talkback
More ZDNet Photo Galleries
SmartPlanet
- Thought-provoking progressive ideas on diverse topics that intersect with technology, business, and life, and matter to the world at large. Visit SmartPlanet
- More from IBM
-
- Innovate your business' process model, play against the market, compete against others on our scoreboards and WIN! Try INNOV8 2.0: A BPM Simulator
- Enabling Real-World Business Transformation through IBM Service Management Read the EMA Analyst Report
