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| Good Morning, in Mathematica I can easily intersect two Wolfram Alpha result lists, for example "Which countries are members of both, the EU and NATO": natomembers = EntityList[EntityClass["Country","NorthAtlanticTreatyOrganization"]]; ... |
| Hello, I want to use a variable in a formula multiple times without having to enter the same values more than once. For example, the effective half-life of radionuclide after ingestion is defined as: effectiveHalflife[physicalHalflife_,... |