- is called dash

． period 句号 

,comma 逗号 

：colon 冒号 

； semicolon 分号 

!exclamation 惊叹号 

question mark 问号 

￣ hyphen 连字符 

\' apostrophe 省略号；所有格符号 

— dash 破折号 

‘ ’single quotation marks 单引号 

“ ”double quotation marks 双引号 

( )parentheses 圆括号 

[ ]square brackets 方括号 

《 》French quotes 法文引号；书名号 

...ellipsis 省略号 

¨ tandem colon 双点号 

" ditto 同上 

‖ parallel 双线号 

／ virgule 斜线号 

＆ ampersand = and 

swung dash 代字号 

§ section; division 分节号 

→ arrow 箭号；参见号 

＋ plus 加号；正号 

－ minus 减号；负号 

± plus or minus 正负号 

× is multiplied by 乘号 

÷ is divided by 除号 

＝ is equal to 等于号 

≠ is not equal to 不等于号 

≡ is equivalent to 全等于号 

≌ is equal to or approximately equal to 等于或约等于号 

≈ is approximately equal to 约等于号 

＜ is less than 小于号 

＞ is more than 大于号 

≮ is not less than 不小于号 

≯ is not more than 不大于号 

≤ is less than or equal to 小于或等于号 

≥ is more than or equal to 大于或等于号 

％ per cent 百分之… 

‰ per mill 千分之… 

∞ infinity 无限大号 

∝ varies as 与…成比例 

√ (square) root 平方根 

∵ since; because 因为 

∴ hence 所以 

∷ equals,as (proportion) 等于,成比例 

∠ angle 角 

⌒ semicircle 半圆 

⊙ circle 圆 

○ circumference 圆周 

π pi 圆周率 

△ triangle 三角形 

⊥ perpendicular to 垂直于 

∪ union of 并,合集 

∩ intersection of 交,通集 

∫ the integral of …的积分 

∑ (sigma) summation of 总和 

° degree 度 

′ minute 分 

〃 second 秒 

＃ number …号 

℃ Celsius system 摄氏度