This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)

Documentation / Mathematica / Built-in Functions / System Interface / Global Parameters /

$RandomState

FilledSmallSquare $RandomState gives a representation of the internal state of the pseudorandom generator used by Random.

FilledSmallSquare The value of $RandomState changes every time Random is called.

FilledSmallSquare You can use s = $RandomState to explicitly save the value of $RandomState, and $RandomState = s to restore.

FilledSmallSquare The value of $RandomState is always a long integer chosen from a certain large set of possibilities. You can assign $RandomState only to values in this set.

FilledSmallSquare You can use Block[$RandomState, expr] to localize the value of $RandomState during the evaluation of expr.

FilledSmallSquare See Section 3.2.3.

FilledSmallSquare See also: SeedRandom.

FilledSmallSquare New in Version 3.