WolframAlpha ( WUUL-frəm-) is a computational knowledge engine or answer engine developed by WolframAlpha LLC, a subsidiary of Wolfram Research. It is an online service that answers factual queries directly by computing the answer from externally sourced “curated data”, rather than providing a list of documents or web pages that might contain the answer, as a search engine might.WolframAlpha, which was released on May 18, 2009, is based on Wolfram’s earlier flagship product Wolfram Mathematica, a computational platform or toolkit that encompasses computer algebra, symbolic and numerical computation, visualization, and statistics capabilities. Additional data is gathered from both academic and commercial websites such as the CIA’s The World Factbook, the United States Geological Survey, a Cornell University Library publication called All About Birds, Chambers Biographical Dictionary, Dow Jones, the Catalogue of Life, CrunchBase, Best Buy, and the FAA.

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List of Top 40 Search Engines : Google and other alternatives

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Famous search engines: There is a lot of information on the Internet, and without search engines, it would be nearly impossible to find this information. When you mention the term search engine, most people automatically think of Google, and this is by no means surprising. Due to its highly personalized user experience, leading advertising platform,…