< is less than
> is more than
≮ is not less than
≯ is not more than
≤ is less than or equal to 小于或等于號
- hyphen 連字符
≥ is more than or equal to 大于或等于號
' apostrophe 省略號,英文中省略字符用的撇號;所有格符號
% percent
- dash 破折號
‰ per mille
∞ infinity 無限大號
∝ varies as 與…成比例
( ) parentheses 圓括號
√ (square) root 平方根
[ ] square brackets 方括號
∵ since; because 因為
《 》 French quotes 法文引號;書名號
∴ hence 所以
… ellipsis 省略號
∷ equals, as (proportion) 等于,成比例
¨ tandem colon 雙點號
∠ angle 角
∶ ditto 雙點號
⌒ semicircle 半圓
‖ parallel 雙線號
⊙ circle 圓
/ virgule 斜線號
○ circumference 圓周
~ swung dash 代字號
△ triangle 三角形
§ section; division 分節號
⊥ perpendicular to 垂直于
→ arrow 箭號;參見號
∪ union of 并,合集
∩ intersection of 交,通集
∫ the integral of …的積分
± plus or minus 正負號
∑ summation of 總和
× is multiplied by 乘號
° degree 度
÷ is divided by 除號
′ minute 分
″ second 秒
≠ is not equal to 不等于號
≡ is equivalent to 全等于號
℃ Celsius degree 攝氏度
≌ is equal to or approximately equal to 等于或約等于號
α Α alpha ['ælfa]
β Β beta ['bi:ta / 'beita]
γ Γ gamma ['gæma]
δ Δ delta ['delta]
ε Ε epsilon ['epsilan / ep'sailan]
ζ Ζ zeta ['zi:ta]
η Η eta ['i:ta / 'eita]
θ Θ theta ['θita]
ι Ι iota [ai'outa]
κ Κ kappa ['kæpa]
λ Λ lamda ['læmda]
μ Μ mu [mju:]
ν Ν nu [nju:]
ξ Ξ xi [ksai / gzai / zai]
ο Ο omicron [ou'maikran]
π Π pi [pai]
ρ Ρ rho [rou]
σ Σ sigma ['sigma]
τ Τ tau [tau]
υ Υ upsilon ['ju:psilon / ju:p'sailan] o 是反 c 。
φ Φ phi [fai]
χ Χ chi [kai]
ψ Ψ psi [psi:]
ω Ω omega ['oumiga / ou'mi:ga]