Underscript
Underscript[x,y]
is an object that formats as 
.
Details
- In a notebook, an underscript can be created using
. 
moves out of the underscript position. - Input of the form
in a notebook is interpreted as Underscript[x,y]. - Underscript[x,y] formats as
in StandardForm and TraditionalForm. - In InputForm, Underscript[x,y] formats literally as Underscript[x,y].
- The baseline of Underscript[x,y] is taken to be the baseline of x.
- Underscript[x,y] is usually output with y in a smaller font than x.
Examples
open allclose all
to enter directly:Properties & Relations (1)
UnderBar is a special case of Underscript:
Possible Issues (1)
Passing an operator as a string does not allow spanning behavior:
Use RawBoxes to pass the raw version of the operator, which allows it to span if possible:
Wolfram Research (2007), Underscript, Wolfram Language function, https://reference.wolfram.com/language/ref/Underscript.html (updated 2020).
Text
Wolfram Research (2007), Underscript, Wolfram Language function, https://reference.wolfram.com/language/ref/Underscript.html (updated 2020).
CMS
Wolfram Language. 2007. "Underscript." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2020. https://reference.wolfram.com/language/ref/Underscript.html.
APA
Wolfram Language. (2007). Underscript. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Underscript.html