Wolfram Language & System 11.0 (2016)|Legacy Documentation

This is documentation for an earlier version of the Wolfram Language.View current documentation (Version 11.2)


is an option for WolframAlpha that determines whether to use the asynchronous features of the Wolfram|Alpha API.


  • With Asynchronous->False, the WolframAlpha function retrieves all pod data from the Wolfram|Alpha server in a single transaction.
  • With Asynchronous->True, the WolframAlpha function sets the "async=true" flag in the API. An initial block of content is retrieved from the Wolfram|Alpha servers, which may contain placeholders. The placeholders are filled by subsequent, parallel calls to Import. The WolframAlpha function returns once all of the calls to Import have been resolved.
  • WolframAlpha["query","FullOutput",Asynchronous->All] retrieves the initial block of content identically to Asynchronous->True. The function then immediately returns, displaying Dynamic content that populates over time with subsequent calls to Import.
  • Asynchronous->All for other formats is equivalent to Asynchronous->True.
Introduced in 2010