HumpEqual 
HumpEqual[x,y,…]
displays as x≏y≏….
Details

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