＜ is less than
＞ is more than
≮ is not less than
≯ is not more than
≤ is less than or equal to 小于或等于号
- hyphen 连字符
≥ is more than or equal to 大于或等于号
' apostrophe 省略号,英文中省略字符用的撇号;所有格符号
％ percent
－ dash 破折号
‰ per mille
∞ infinity 无限大号
∝ varies as 与…成比例
( ) parentheses 圆括号
√ (square) root 平方根
[ ] square brackets 方括号
∵ since; because 因为
《 》 French quotes 法文引号;书名号
∴ hence 所以
… ellipsis 省略号
∷ equals, as (proportion) 等于，成比例
¨ tandem colon 双点号
∠ angle 角
∶ ditto 双点号
⌒ semicircle 半圆
‖ parallel 双线号
⊙ circle 圆
／ virgule 斜线号
○ circumference 圆周
～ swung dash 代字号
△ triangle 三角形
§ section; division 分节号
⊥ perpendicular to 垂直于
→ arrow 箭号；参见号
∪ union of 并，合集
∩ intersection of 交，通集
∫ the integral of …的积分
± plus or minus 正负号
∑ summation of 总和
× is multiplied by 乘号
° degree 度
÷ is divided by 除号
′ minute 分
″ second 秒
≠ is not equal to 不等于号
≡ is equivalent to 全等于号
℃ Celsius degree 摄氏度
≌ is equal to or approximately equal to 等于或约等于号
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]