The description of WolframAlpha
Use the power of Wolfram's computational intelligence to answer your questions. Building on 35+ years of development led by Stephen Wolfram, Wolfram|Alpha is the world's definitive source for instant expert knowledge and computation.
Across thousands of domains—with more continually added—Wolfram|Alpha uses its vast collection of algorithms and data to compute answers and generate reports for you.
Use Wolfram|Alpha to compute the following and much more:
• Identify a plane: "Flights overhead"
• Find out weather: "Weather last New Year's"
• Get information on movies: "Movies with Keanu Reeves and Sandra Bullock"
• Get financial insight: "APPL vs. MSFT"
• Calculate units and measurements: "Seconds in a nanocentury"
• Get trivia answers: "Number of tennis balls that can fit in a Boeing 747"
• Find nutritional information: "Whopper vs. Big Mac"
• Get fitness information: "Running calculator"
• Have fun: "Tell me a joke"