Wolfram|Alpha is more than a search engine. It gives you access to the world's facts and data and calculates answers across a range of topics, including science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music.
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Widgets are free personalized mini-apps built on top of Wolfram|Alpha queries. You can create your own, or find useful widgets in the Widget Gallery.
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There's a lot to love about Wolfram Alpha's iPhone app. But as regular readers will know, one of them is not the price. ...
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