This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Information

Information[symbol]
prints information about a symbol.
  • Information[symbol] prints the same information as the input escape ??symbol would give.
Get usage and attribute information:
Short input form:
Get usage information only:
Short input form:
Get usage and attribute information:
Short input form:
 
Get usage information only:
Short input form:
For built-in symbols, Information gives attributes, defaults, and options, as well as usage messages:
For user-defined symbols, Information gives definitions as well:
For string patterns, Information gives a clickable list of matching symbols:
The default is True:
The short form gives only usage messages:
If no usage message exists, Information gives the symbol name only, including the context:
Add a usage message:
Information prints the values rendered by Definition, as well as usage messages:
is the same as Information:
is the same as Information with False:
For a read-protected symbol, no definitions are printed:
Information prints output as a side effect; it does not return a value:
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