HP 27S - HP's elegant "Do All" calculator from 1988

This video is about the HP 27S, an algebraic "do all" calculator from HP's Pioneer series. In this video I talk about the 27S' basic usage, its various apps and menus and the HP solver. For a document that goes into advanced usage of the solver check out the following link: http://www.mh-aerotools.de/hp/documen... For more calculator videos check out my channel:    / calculatorculture