English Punctuation
? question mark
! exclamation mark/exclamation point
/ slash, divide, oblique
\ backslash, sometimes escape
// slash-slash, comment
& ampersand, and, reference, ref
* asterisk, multiply, star, pointer
~ tilde 波浪符
' apostrophe 撇号
& ampersand 和号
" single quotation marks
"" double quotation marks
→ arrow
... ellipsis/dots
{ open brace, open curly
} close brace, close curly
( open parenthesis, open paren
) close parenthesis, close paren
() parentheses/brakets
[ open bracket
] close bracket
[] square brackets
. period, dot
| vertical bar, vertical virgule
# pound 井号
. full stop
, comma
: colon
; semicolon
- hyphen
-- dash
‖ parallel
～ swung dash 代字号
§ section; division 分节号
+ plus sign
- minus sign,
± plus or minus sign
× multiple sign, product sign
÷ division sign
＝ equality sign
≠ Not equality sign
≡ equivalent to
≌ equal to or approximately equal to
≈ approximately equal to
＜ less than sign
＞ more than sign
≮ not less than sign
≯ not more than sign
≤ less than or equal to
≥ more than or equal to
% per cent
‰ per mill
-∞ infinity
+∞ infinity
∝ varies as
√ (square) root
∵ since; because
∴ hence
∷ equals, as (proportion)
∠ angle
⌒ semicircle
⊙ circle
○ circumference
π pi 圆周率
△ triangle
⊥ perpendicular to 垂直于
∪ union of
∩ intersection of
∫ the integral of …的积分
∑ (sigma) summation of 总和
° degree
′ minute
″ second
℃ Celsius system
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