# WolframAlpha

WolframAlpha (/ˈwʊlf.rəm-/ WUULf-rəm-) is an answer engine developed by Wolfram Research. It is offered as an online service that answers factual queries by computing answers from externally sourced data.

## History

Launch preparations for WolframAlpha began on May 15, 2009, at 7:00 pm CDT with a live broadcast on Justin.tv. The plan was to publicly launch the service a few hours later. However, there were issues due to extreme load. The service officially launched on May 18, 2009, receiving mixed reviews.
The engine is based on Wolfram's earlier product Wolfram Mathematica, a technical computing platform. The coding is written in Wolfram Language, a general multi-paradigm programming language, and implemented in Mathematica. WolframAlpha gathers data from 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 to answer queries.
On February 8, 2012, WolframAlpha Pro was released, offering users additional features for a monthly subscription fee.

## Usage

Users submit queries and computation requests via a text field. WolframAlpha then computes answers and relevant visualizations from a knowledge base of curated, structured data that come from other sites and books. It can respond to particularly phrased natural language fact-based questions. It displays its "Input interpretation" of such a question, using standardized phrases. It can also parse mathematical symbolism and respond with numerical and statistical results.
WolframAlpha was used to power some searches in the Microsoft Bing and DuckDuckGo search engines but is no longer used to provide search results. For factual question answering, WolframAlpha was used by Apple's Siri in October 2011 and Amazon Alexa in December 2018 for math and science queries. Users noticed that the Wolfram Integration for Siri was changed in June 2013 to use Bing to query certain results on iOS 7. Starting with iOS 17, it was reported that Wolfram for Siri no longer answers mathematical equations, instead defaulting to web search queries with no notable explanation. WolframAlpha data types, sets of curated information and formulas that assist in creating, categorization, and filling of spreadsheet information, became available in July 2020 within Microsoft Excel. The Microsoft-Wolfram partnership ended nearly two years later, in 2022, in favor of Microsoft Power Query data types. WolframAlpha functionality in Microsoft Excel ended in June 2023.

## Gallery

* Some WolframAlpha input
* Geography input (Input : Sevilla, https://www.wolframalpha.com/input?i=Sevilla)
* History input (Input : Great Northern War, https://www.wolframalpha.com/input?i=Great+Northern+War)
* Math input (input: −3/2+{\textstyle -{\frac {3}{2}}+} 5/2 (−1+x)$^2$+{\textstyle {\frac {5}{2}}(-1+x)^{2}+} (−1+x)$^3$=6x{\textstyle (-1+x)^{3}=6x} https://www.wolframalpha.com/input?i=-3%2F2+%2B+5%2F2+%28-1+%2B+x%29%5E2+%2B+%28-1+%2B+x%29%5E3+%3D+6x)
* Biology input (Input : Homo sapiens, https://www.wolframalpha.com/input?i=homo+sapiens)
* Physics input (Input : $E=mc^{2}$, https://www.wolframalpha.com/input?i=E%3Dmc%5E2)
* Chemistry input (Input : Methyl orange, https://www.wolframalpha.com/input?i=Methyl+Orange)
* Language input (Input : Booklet, https://www.wolframalpha.com/input?i=booklet)