However, several can be added by way of entities, as shown in the following table.
Character Description Entity name Entity number
?? Cent ¢ ¢
General currency sign ¤ ¤
?? Euro € €
?? Pound £ £
?? Yen ¥ ¥
Mathematical, technical, and
Greek characters
This set of entities combines mathematical and technical symbols and the Greek alphabet
(which is commonly used in scientific work). For ease of use, this section is divided into
three subsections: common mathematical characters (fractions and the most commonly
used mathematical symbols), advanced mathematical and technical characters (characters
of interest to those marking up technical documents or anything other than basic mathematical
text), and Greek characters.
Common mathematical characters
Character Description Entity name Entity number
?° Degree sign ° °
?· Division sign ÷ ÷
Fraction??”one half ½ ½
Fraction??”one quarter ¼ ¼
¾ ¾
> Greater-than sign > >
Fraction??”three quarters
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Character Description Entity name Entity number
?? ≥ ≥
< Less-than sign < <
?? Less-than or equal to sign ≤ ≤
??“ Minus sign − −
?? Multiplication sign × ×
1 Superscript one ¹ ¹
2 Superscript two ² ²
3 Superscript three ³ ³
Advanced mathematical and technical characters
Character Description Entity name Entity number
?? ℵ ℵ
?? ≈ ≈
??“ Angle ∠ ∠
@ Approximately equal to ≅ ≅
* Asterisk operator ∗ ∗
?… Circled plus, direct sum ⊕ ⊕
?’ ⊗ ⊗
] Contains as member ∋ ∋
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