Display a box expression as formatted:

Formatting for a row of elements:

Display nested boxes:

A subscript and superscript as nested boxes:

A subscript and superscript in a single box:

Vector notation from an OverscriptBox:

Symbolic sum displayed using an UnderoverscriptBox:

Display a GridBox:

Display with row and column lines:

Add a frame:

Display using italic slant:

Display using Title cell style:

Evaluate an expression:

Convert to boxes:

Display the boxes:

Display an InterpretationBox:

The box is interpreted as the second argument:

When an input evaluates to DisplayForm[expr], DisplayForm does not appear in the output:

Out is assigned the value RowBox[{"2","+","2"}], not DisplayForm[RowBox[{"2","+","2"}]]:

Even when an output omits DisplayForm from the top level, it is not stripped from subexpressions:

The output does not have DisplayForm in it:

However, the variable e does have DisplayForm in it, which may affect subsequent evaluations:

The MakeExpression gives an error due to the intervening DisplayForm:

Assign variables first and then apply DisplayForm to the result to maintain computability: