UpArrowDownArrow 
UpArrowDownArrow[x,y,…]
displays as x⇅y⇅….
Details
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- UpArrowDownArrow[x,y,…] has no built-in meaning.
- x⇅y is by default interpreted as UpArrowDownArrow[x,y].
- ⇅ can be entered as \[UpArrowDownArrow].
Examples
Basic Examples (1)
Wolfram Research (1996), UpArrowDownArrow, Wolfram Language function, https://reference.wolfram.com/language/ref/UpArrowDownArrow.html.
Text
Wolfram Research (1996), UpArrowDownArrow, Wolfram Language function, https://reference.wolfram.com/language/ref/UpArrowDownArrow.html.
CMS
Wolfram Language. 1996. "UpArrowDownArrow." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/UpArrowDownArrow.html.
APA
Wolfram Language. (1996). UpArrowDownArrow. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/UpArrowDownArrow.html