英文符号大全
+ 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 
℃ Celsius system 摄氏度
{ open brace, open curly 左花括号 
} close brace, close curly 右花括号 
( open parenthesis, open paren 左圆括号 
)
close parenthesis, close paren 右圆括号 
() brakets/ parentheses 括号 
[ open bracket 左方括号 
] close bracket 右方括号 
[] square brackets 方括号 
. period, dot 句号，点 
| vertical bar, vertical virgule 竖线
& ampersand, and, reference, ref 和，引用 
* asterisk, multiply, star, pointer 星号，乘号，星，指针 
/ slash, divide, oblique 斜线，斜杠，除号 
// slash-slash, comment 双斜线，注释符 
# pound 井号 
backslash, sometimes 
escape 反斜线转义符，有时表示转义符或续行符 
~ tilde 波浪符
. full stop 句号 
, comma 逗号 
: colon 冒号 
; semicolon 分号 
? question mark 问号 
! exclamation mark (英式英语) exclamation point (美式英语) 
' apostrophe 撇号 
- hyphen 连字号 
-- dash 破折号 
... dots/ ellipsis 省略号
" single quotation marks 单引号 
"" double quotation marks 双引号 
‖ parallel 双线号 
& ampersand = and 
～ swung dash 代字号 
semicircle
§ section; division 分节号 
→ arrow 箭号；参见号
& Ampersand (And 符號) 
* Asterisk (星號) 
@  At sign, at (At 符號，At) 
\ Backslash (反斜線) 
[ Open bracket (左開式方括弧) 
^  Caret (插入號) 
]  Close bracket (右關式方括弧) 
(  Open parenthesis (左開式圓括號) 
) Close parenthesis (右關式圓括號)
 
:  Colon (冒號) 
,  Comma (逗號) 
$  Dollar sign (錢符號) 
–  Double dash (雙破折號) 
…  Ellipsis (省略符號) 
‘  Single quote (單引號) 
“  Quote (引號) 
=  Equals (等號) 
+  Plus, plus sign (加，加號) 
!  Exclamation point (驚歎號) 
>  Greater than (大於) 
<  Less than (小於) 
#  Pound sign (井字號) 
?  Question mark (問號) 
.  Period, dot (句號，點) 
;  Semicolon (分號) 
-  Hyphen (連字號) 
—
  Dash (破折號) 
_  Underscore (底線) 
|  Vertical bar (垂直線) 
{  Open brace (左開式大括號) 
}  Close brace (右關式大括號) 
%  Percent, percent sign (百分比，百分比符號) 
/  Slash (斜線) 
//  Double slash (雙斜線) 
~  Tilde (取代符號)
.    .