Since version 7, Mathematica includes gigabytes of curated data relevant to many different fields, including physics, chemistry, graph theory, finance, geography and many more.

Since version 7, Mathematica has included functionality to load curated data from a multitude of sources, relevant to a range of fields. The data are updated regularly and can be re-cached from Wolfram’s servers whenever your Mathematica installation can connect to the internet.

Among the packages of data available are (note that some of these have already existed before version 7 as built-in packages):

Useful links:

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