What is HTML Symbols and How to Write them using HTML?

We have discussed HTML Entities in the previous page.
Many Mathematics symbols, Currency symbols, Greek letters are not present on the keyboard, they can be displayed on the web-pages using entity name or entity number.

Most common Mathematics Operators

Result (Char) Entity Names
∀ FOR ALL
∂ PARTIAL DIFFERENCE
∃ THERE EXISTS
∅ EMPTY SET
∇ NABLA
∈ ELEMENT OF
∉ NOT AN ELEMENT OF
∀ N-ARY SUMMATION
∗ ASTERICK OPERATOR
√ SQUARE ROOT
∀ PROPORTIONAL TO
>∠ ∠ ANGLE
∞ INFINITY
∧ LOGICAL AND
∨ LOGICAL OR
∩ INTERSECTION
∪ UNION
∫ INTEGRAL

Many Mathematics operators does not have HTML Entity, they have to be replaced either by decimal (dec) or hexadecimal (hex) references.

Some Examples are listed below

Result (Char) Entity Number (Dec) Entity Number (Hex) Names
∀ ࢘ FOR ALL
∁ ࢙ COMPLEMENT
∄ ࢜ THERE DOES NOT EXIST
∆ ࢞ INCREMENT
∊ &#220A; SMALL ELEMENT OF
∌ &#220C; DOES NOT CONTAIN AS MEMBER
∍ &#220D; SMALL CONTAINS AS MEMBER
∎ &#220E; END OF PROOF
∓ ࢥ PLUS AND MINUS SIGN
∔ ࢦ DOT PLUS
∕ ࢧ DIVISION SLASH
∖ ࢨ SET PLUS
∙ ࢫ BULLET OPERATOR
∛ &#221B; CUBE ROOT
∜ &#221C; FOURTH ROOT

Some more Entities

Result (Char) Entity Number Notes
© © © COPYRIGHT SIGN
® ® ® REGISTERED SIGN
™ ™ TRADEMARK
← ← LEFTWARDS ARROW
↑ → UPWARDS ARROW
→ → RIGHTWARDS SIGN
↓ ↓ DOWNWARDS ARROW

Many more Entities are supported in HTML5 like currency symbols, symbols. But we are not covering all of the here.

Click here, to learn all HTML Symbols, Characters and Entities