. 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)
    ( )parentheses 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
    ∵ since; because 因?yàn)?BR>    ∴ hence 所以
    ∷ equals, as (proportion) 等于，成比例
    ∠ angle 角
    ⌒ semicircle 半圓
    ⊙ circle 圓
    ○ circumference 圓周
    π pi 圓周率
    △ triangle 三角形
    ⊥ perpendicular to 垂直于
    ∪ union   of 并，合集
    ∩ intersection of 交，通集
    ∫ the integral of …的積分
    ∑ (sigma) summation of 總和
    ° degree 度
    ′ minute 分
    ″ second 秒
    # number …號(hào)
    ℃ Celsius system 攝氏度
    @ at 單價(jià)