Skeleton[n] represents a sequence of n omitted elements in an expression printed with Short or Shallow. The standard print form for Skeleton is <<n>>.
StackComplete[expr] evaluates expr with intermediate expressions in evaluation chains included on the stack.
StreamColorFunctionScaling is an option for graphics functions that specifies whether arguments supplied to a stream color function should be scaled to lie between 0 and 1.
TimeZone is an option for DateString, AbsoluteTime, and related functions that specifies the time zone to use for dates and times.
VectorColorFunctionScaling is an option for graphics functions which specifies whether arguments supplied to a vector color function should be scaled to lie between 0 and 1.
VertexIndex[g, v] gives the integer index for the vertex v in the graph g.
$ByteOrdering gives the native ordering of bytes in binary data on your computer system.
$CharacterEncodings gives the list of character encodings that can be used.
$Language is a list of strings which give the names of languages to use for messages.
You can enter complex numbers in Mathematica just by including the constant I, equal to Sqrt[-1]. Make sure that you type a capital I. If you are using notebooks, you can ...