$KernelID (Built-in Mathematica Symbol)

$KernelID is a unique ID number assigned to each running parallel kernel.

$MaxMachineNumber (Built-in Mathematica Symbol)

$MaxMachineNumber is the largest machine-precision number that can be used on a particular computer system.

Selecting and Deleting Expressions (Mathematica Tutorial)

Select the next-higher subexpression by pressing Ctrl+.. Press Ctrl+. repeatedly. Get rid of the contents of an expression and destructure it by pressing Del (or Backspace).

SymbolicOpenCLBlockDimension (OpenCLLink Symbol)

SymbolicOpenCLBlockDimension[dim] is a symbolic representation of an OpenCL kernel block dimension call.

SymbolicOpenCLBlockIndex (OpenCLLink Symbol)

SymbolicOpenCLBlockIndex[dim] is a symbolic representation of an OpenCL kernel block index call.

SymbolicOpenCLKernelIndex (OpenCLLink Symbol)

SymbolicOpenCLKernelIndex[dim] is a symbolic representation of an OpenCL kernel index call.

SymbolicOpenCLThreadIndex (OpenCLLink Symbol)

SymbolicOpenCLThreadIndex[dim] is a symbolic representation of an OpenCL kernel thread index call.

TetGenGetFacetHoles (TetGenLink Package Symbol)

TetGenGetFacetHoles[expr] gets the holes in the facets.

TetGenGetHoles (TetGenLink Package Symbol)

TetGenGetHoles[expr] returns the holes in a TetGen expression.

CloseGUIObject (GUIKit Package Symbol)

CloseGUIObject[interface] closes a live GUIObject instance.CloseGUIObject[] requests that an interface close, when called within a Script block.