BUILT-IN MATHEMATICA SYMBOL

FractionBox

FractionBox[x, y]
is a low-level formatting construct that represents in notebook expressions.

Details and OptionsDetails and Options

• Inside can be input as .
• In a notebook a FractionBox can be created using Ctrl+/. Ctrl+Space moves out of the fraction.
• In StandardForm and InputForm, FractionBox[x, y] is interpreted on input as .
• The axis of FractionBox[x, y] is taken to go through the fraction line. The baseline lies below the axis by the distance between the axis and the bottom of characters such as in the current font.
• The width of the fraction line can be given in x heights as the setting for the SpanLineThickness option in StyleBox.
• If FractionBox[x, y] does not fit on a single line, it is output as .
• In StandardForm, explicit FractionBox objects are output literally. You can use DisplayForm to see the display form of such objects.

ExamplesExamplesopen allclose all

Basic Examples (2)Basic Examples (2)

Display a typeset fraction:

 Out[1]//DisplayForm=

Display a fraction with typeset structures in the numerator and denominator:

 Out[1]//DisplayForm=