Rediscovering the UX of the legendary HP-35 Scientific Pocket Calculator Posted by vfclists on Wednesday June 25, 2014 @10:00AM from the medium.com dept. https://medium.com/@svenvc/rediscovering-the-ux-of-the-legendary-hp-35-scientific-pocket-calculator-d1d497ece999 ( 5 comments | 14 points | on HN )
This only scratches the surface. Once one has experienced the availability of all of the parts, and the live debugging, it is hard to go back.