TraditionalForm

prints as an approximation to the traditional mathematical notation for expr.

Details and Options

Output from TraditionalForm cannot necessarily be given as unique and unambiguous input to the Wolfram Language. »
TraditionalForm inserts invisible TagBox and InterpretationBox constructs into the box form of output it generates, to allow unique interpretation.
Graphics and Graphics3D are displayed graphically in TraditionalForm. »
TraditionalForm can be edited in the notebook front end.
TraditionalForm uses special characters as well as ordinary keyboard characters. »
TraditionalForm incorporates a large collection of rules for approximating traditional mathematical notation.
TraditionalForm prints functions in Global` context in the form f(x).
ToExpression[boxes,TraditionalForm] will attempt to convert from TraditionalForm. »
The notebook front end contains menu items for conversion to and from TraditionalForm.