Question

what : symbol means ?? plz explain​

Answer 1

Answer:

A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. ... Symbols take the form of words, sounds, gestures, ideas, or visual images and are used to convey other ideas and beliefs.

Answer 2

Answer:

The <> symbol means "not equal to": $\neq%$. The symbol is effectively stating "for each x greater than or less than y". Can also be seen in various other languages as !=