ClearAll
ClearAll[, , ... ] clears all values, definitions, attributes, messages and defaults associated with symbols. ClearAll["", "", ... ] clears all symbols whose names textually match any of the .
See notes for Clear. See The Mathematica Book: Section 2.5.3 and Section A.5.4. See also: Remove.
Further Examples
ClearAll[
, 
, ... ] clears all values, definitions, attributes, messages and defaults associated with symbols. 
", "
", ... ] clears all symbols whose names textually match any of the 
. 
