Code Box: codes, symbols, entities used in HTML work

Mathematical, Symbolic, and Special characters for HTML

Note that not all browsers display all these symbols. Mozilla displays all of them. Microsoft Internet Explorer displays only some.

Latin Extended-B

CharacterEntityDescription
ƒƒlatin small f with hook = function = florin

General Punctuation

CharacterEntityDescription
•bullet = black small circle
…horizontal ellipsis = three dot leader
′prime = minutes = feet
″double prime = seconds = inches
‾overline = spacing overscore
⁄fraction slash

Letterlike Symbols

CharacterEntityDescription
℘script capital P = power set = Weierstrass p
ℑblackletter capital I = imaginary part
ℜblackletter capital R = real part symbol
™trade mark sign
ℵalef symbol = first transfinite cardinal

Arrows

CharacterEntityDescription
←leftwards arrow
↑upwards arrow
→rightwards arrow
↓downwards arrow
↔left right arrow
↵downwards arrow with corner leftwards = carriage return
⇐leftwards double arrow
⇑upwards double arrow
⇒rightwards double arrow
⇓downwards double arrow
⇔left right double arrow

Mathematical Operators

CharacterEntityDescription
∀for all
∂partial differential
∃there exists
∅empty set = null set = diameter
∇nabla = backward difference
∈element of
∉not an element of
∋contains as member
∏n-ary product = product sign
∑n-ary sumation
−minus sign
∗asterisk operator
√square root = radical sign
∝proportional to
∞infinity
∠angle
∧logical and = wedge
∨logical or = vee
∩intersection = cap
∪union = cup
∫integral
∴therefore
∼tilde operator = varies with = similar to
≅approximately equal to
≈almost equal to = asymptotic to
≠not equal to
≡identical to
≤less-than or equal to
≥greater-than or equal to
⊂subset of
⊃superset of
⊄not a subset of
⊆subset of or equal to
⊇superset of or equal to
⊕circled plus = direct sum
⊗circled times = vector product
⊥up tack = orthogonal to = perpendicular
⋅dot operator

Miscellaneous Technical

CharacterEntityDescription
⌈left ceiling = apl upstile
⌉right ceiling
⌊left floor = apl downstile
⌋right floor
⟨left-pointing angle bracket = bra
⟩right-pointing angle bracket = ket

Geometric Shapes

CharacterEntityDescription
◊lozenge

Miscellaneous Symbols

CharacterEntityDescription
♠black spade suit
♣black club suit = shamrock
♥black heart suit = valentine
♦black diamond suit

C0 Controls and Basic Latin

CharacterEntityDescription
""quotation mark = APL quote
&&ampersand
<&lt;less-than sign
>&gt;greater-than sign

Latin Extended-A

Œ&OElig;latin capital ligature OE
œ&oelig;latin small ligature oe
Š&Scaron;latin capital letter S with caron
š&scaron;latin small letter s with caron
Ÿ&Yuml;latin capital letter Y with diaeresis

Spacing Modifier Letters

CharacterEntityDescription
ˆ&circ;modifier letter circumflex accent
˜&tilde;small tilde

General Punctuation

CharacterEntityDescription
&ensp;en space
&emsp;em space
&thinsp;thin space
&zwnj;zero width non-joiner
&zwj;zero width joiner
&lrm;left-to-right mark
&rlm;right-to-left mark
&ndash;en dash
&mdash;em dash
&lsquo;left single quotation mark
&rsquo;right single quotation mark
&sbquo;single low-9 quotation mark
&ldquo;left double quotation mark
&rdquo;right double quotation mark
&bdquo;double low-9 quotation mark
&dagger;dagger
&Dagger;double dagger
&permil;per mille sign
&lsaquo;single left-pointing angle quotation mark
lsaquo is proposed but not yet ISO standardized
&rsaquo;single right-pointing angle quotation mark
rsaquo is proposed but not yet ISO standardized
&euro;euro sign

Portions International Organization for Standardization 1986: Permission to copy in any form is granted for use with conforming SGML systems and applications as defined in ISO 8879, provided this notice is included in all copies.

Reference: Character entity references in HTML 4

See also:

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