Under/Over
Delimiters above or below parts of an equation.
The braces and brackets further allow you to add an optional annotation below or above themselves.
Function
underlineElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal line under content.
$ underline(1 + 2 + ... + 5) $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content above the line.
overlineElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal line over content.
$ overline(1 + 2 + ... + 5) $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content below the line.
underbraceElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal brace under content, with an optional annotation below.
$ underbrace(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content above the brace.
overbraceElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal brace over content, with an optional annotation above.
$ overbrace(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content below the brace.
underbracketElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal bracket under content, with an optional annotation below.
$ underbracket(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content above the bracket.
overbracketElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal bracket over content, with an optional annotation above.
$ overbracket(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content below the bracket.
underparenElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal parenthesis under content, with an optional annotation below.
$ underparen(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content above the parenthesis.
annotation
The optional content below the parenthesis.
Default value: none
overparenElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal parenthesis over content, with an optional annotation above.
$ overparen(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content below the parenthesis.
annotation
The optional content above the parenthesis.
Default value: none
undershellElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal tortoise shell bracket under content, with an optional annotation below.
$ undershell(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content above the tortoise shell bracket.
annotation
The optional content below the tortoise shell bracket.
Default value: none
overshellElementElementElement functions can be customized with set and show rules.
set and show rules.A horizontal tortoise shell bracket over content, with an optional annotation above.
$ overshell(0 + 1 + dots.c + n, n + 1 "numbers") $

bodyRequiredRequiredRequired parameters must be specified when calling the function.PositionalPositionalPositional parameters can be set by specifying them in order, omitting the parameter name.
The content below the tortoise shell bracket.
annotation
The optional content above the tortoise shell bracket.
Default value: none