print email comment close Wolfram Alpha URL: http://www.wolframalpha.com Description: This "computational knowledge engine ... generates output by doing computations from its own internal knowledge base, instead of searching the web and returning links." Enter queries such as dates, locations, names, and calculations, to get related data. Includes examples by topic, a visual gallery of examples, overview video, and a FAQ and other background about the project. Free for noncommercial use; subscriptions available in the future for enhanced features. From Wolfram Research. Publisher: Wolfram Alpha LLC LII Database Information: Record 28361 created by June Pilsitz on 05/20/2009 Last modification on 06/30/2009 Published: 09/09/2009   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/28361