Symbol

Symbols are the entities that are not present in our keyboard like Euro(€), Empty set(∅) etc.
we can add it manually by the use of various numbers as given below:

Numbers	Symbols
∀	∀
∂	∂
∃	∃
∅	∅
∇	∇
∈	∈
∉	∉
∋	∋
∏	∏

Example:

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>Symbol</title>
</head>

<body>
    <H1>Symbols Example</H1>
    <p> &#8704;
        &#8706;
        &#8707;
        &#8709;
        &#8711;</p>
</body>

</html>

Output: