WolframAlph‪a‬ +9

Use the power of Wolfram's computational intelligence to answer your questions. Building on 30+ 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.

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Use Wolfram|Alpha to compute the following and much more:

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