$ConfiguredKernels is the default list of kernels that are configured to be launched for parallel computing.
PrependTo[s, elem] prepends elem to the value of s, and resets s to the result.
$Packages gives a list of the contexts corresponding to all packages which have been loaded in your current Mathematica session.
Split
(Built-in Mathematica Symbol) Split[list] splits list into sublists consisting of runs of identical elements. Split[list, test] treats pairs of adjacent elements as identical whenever applying the ...
BinLists[{x_1, x_2, ...}] gives lists of the elements x_i whose values lie in successive integer bins.BinLists[{x_1, x_2, ...}, dx] gives lists of the elements x_i whose ...
You can use most of the list operations discussed in "Lists" on any kind of Mathematica expression. By using these operations, you can manipulate the structure of expressions ...
Last
(Built-in Mathematica Symbol) Last[expr] gives the last element in expr.
Constructing Lists Manipulating Lists by Their Indices Nested Lists
FreeQ
(Built-in Mathematica Symbol) FreeQ[expr, form] yields True if no subexpression in expr matches form, and yields False otherwise. FreeQ[expr, form, levelspec] tests only those parts of expr on levels ...
CUDAFold[f, x, list] gives the last element of CUDAFoldList[f, x, list].