．period 句號(hào)
    ，comma 逗號(hào)
    ：colon 冒號(hào)
    ；semicolon 分號(hào)
    ！exclamation 驚嘆號(hào)
    ？question mark 問(wèn)號(hào)
    ￣hyphen 連字符
    'apostrophe 省略號(hào)；所有格符號(hào)
    —dash 破折號(hào)
    ‘ ’single quotation marks 單引號(hào)
    “ ”double quotation marks 雙引號(hào)
    ( )parenthesis 圓括號(hào)
    [ ]square brackets 方括號(hào)
    《 》French quotes 法文引號(hào)；書(shū)名號(hào)
    ...ellipsis 省略號(hào)
    ¨tandem colon 雙點(diǎn)號(hào)
    "ditto 同上
    ‖parallel 雙線號(hào)
    ／virgule 斜線號(hào)
    ＆ampersand = and
    ～swung dash 代字號(hào)
    §section; division 分節(jié)號(hào)
    →arrow 箭號(hào)；參見(jiàn)號(hào)
    ＋plus 加號(hào)；正號(hào)
    －minus 減號(hào)；負(fù)號(hào)
    ±plus or minus 正負(fù)號(hào)
    ×is multiplied by 乘號(hào)
    ÷is divided by 除號(hào)
    ＝is equal to 等于號(hào)
    ≠is not equal to 不等于號(hào)
    ≡is equivalent to 全等于號(hào)
    ≌is equal to or approximately equal to 等于或約等于號(hào)
    ≈is approximately equal to 約等于號(hào)
    ＜is less than 小于號(hào)
    ＞is more than 大于號(hào)
    ≮is not less than 不小于號(hào)
    ≯is not more than 不大于號(hào)
    ≤is less than or equal to 小于或等于號(hào)
    ≥is more than or equal to 大于或等于號(hào)
    ％per cent 百分之…
    ‰per mill 千分之…
    ∞infinity 無(wú)限大號(hào)
    ∝varies as 與…成比例
    √(square) root 平方根
    XX squared X的平方
    XX cubed X的立方
    ∵since; because 因?yàn)?BR>    ∴hence 所以
    ∷equals, as (proportion) 等于，成比例
    ∠angle 角