They sold in massive numbers, had vast software support, spawned user groups like HPCC and The HP41 series of calculators were considered by many people to be the ultimate calculator. Introduction Principal Features Emulators Availability Books Datafile Articles Linksĭescribed in one HP brochure as 'Unsurpassed in terms of software,Įxpandability and versatility, these are the calculators that grow with your needs.'
