The Wolfram Alpha Engine allows you to enter search terms much like a conventional search engine, but draws it's answers from a internal proprietary database. Unlike Google, for example, it goes beyond just finding data related to particular keywords. It also does computing based on formulas and values you enter. Part statistical encyclopedia and part pocket calculator, it generates detailed answers and facts for a wide range of subjects. The site provides examples in the following areas so you can see its functionality:
Statistics & Data Analysis, Physics, Chemistry, Materials, Engineering, Astronomy, Earth Sciences, Life Sciences, Technological World, Transportation, Computational Sciences, Web & Computer Systems, Units & Measures, Money & Finance, Dates & Times, Places & Geography, Socioeconomic Data, Weather, Health & Medicine, Food & Nutrition, Words & Linguistics, Culture & Media, People & History, Education, Organizations, Sports & Games, Music, Colors. Go ahead. Give it a try.
www.wolframalpha.com
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