DoubleLeftRightArrow (Built-in Mathematica Symbol)

DoubleLeftRightArrow[x, y, ...] displays as x \[DoubleLeftRightArrow] y \[DoubleLeftRightArrow] ....

DoubleVerticalBar (Built-in Mathematica Symbol)

DoubleVerticalBar[x, y, ...] displays as x \[DoubleVerticalBar] y \[DoubleVerticalBar] ....

EndOfFile (Built-in Mathematica Symbol)

EndOfFile is a symbol returned by Read when it reaches the end of a file.

EndOfLine (Built-in Mathematica Symbol)

EndOfLine represents the end of a line in a string for purposes of matching in StringExpression.

EndOfString (Built-in Mathematica Symbol)

EndOfString represents the end of a string for purposes of matching in StringExpression.

Equilibrium (Built-in Mathematica Symbol)

Equilibrium[x, y, ...] displays as x \[Equilibrium] y \[Equilibrium] ....

ErrorBox (Built-in Mathematica Symbol)

ErrorBox[boxes] is a low-level box construct that represents boxes that cannot be interpreted in input or output.

ExportAutoReplacements (Built-in Mathematica Symbol)

ExportAutoReplacements is an option for cells that specifies which replacement rules Mathematica automatically applies when exporting text.

Expression (Built-in Mathematica Symbol)

Expression is a symbol that represents an ordinary Mathematica expression in Read and related functions.

FileByteCount (Built-in Mathematica Symbol)

FileByteCount["file"] gives the number of bytes in a file.