2021年1月23日发(作者：纯羊毛)
asterisk (*)

plus sign (+)

minus sign (-)

forward slash (/)

backslash ()

percent symbol (%)

exclamation point symbol (!)

underscore (_)

equal sign (=)

decimal points (.)

semicolon (;)

increment (++) operators

decrement (--) operators

( ) Parenthesis

{ } Braces

[ ] Brackets

, Comma

; Semicolon

' Quote

@ At


+


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