各种符号英文名称

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1、各种符号英文名称+plus加号；正号-minus减号；负号±plusorminus正负号×ismultipliedby乘号÷isdividedby除号＝isequalto等于号≠isnotequalto不等于号≡isequivalentto全等于号≌isequaltoorapproximatelyequalto等于或约等于号≈isapproximatelyequalto约等于号＜islessthan小于号＞ismorethan大于号≮isnotlessthan不小于号≯isnotmorethan不大于号≤islesstha

2、norequalto小于或等于号≥ismorethanorequalto大于或等于号%percent百分之...‰permill千分之...∞infinity无限大号∝variesas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πpi圆周率△triangle三角形⊥perpendicularto垂直于∪unionof并，合集∩int

3、ersectionof交，通集∫theintegralof...的积分∑(sigma)summationof总和°degree度′minute分〃second秒℃Celsiussystem摄氏度'exclaim'＝'!''at'＝'@''numbersign'＝'#''dollar'＝'$''percent'＝'%''caret'＝'^''ampersand'＝'&''asterisk'＝'*''parenleft'＝'(''parenright'＝')''minus'＝'-''underscore'＝'_''equal'

4、＝'=''plus'＝'+''bracketleft'＝'[''braceleft'＝'{''bracketright'＝']''braceright'＝'}''semicolon'＝';''colon'＝':''quote'＝''''doublequote'＝'"''backquote'＝''''tilde'＝'~''backslash'＝'''bar'＝'

5、''comma'＝',''less'＝'<''period'＝'.''greater'＝'>''slash'＝'/''question'＝'?''space'＝'

6、'-iscalleddash．period句号，comma逗号：colon冒号；semicolon分号！exclamation惊叹号？questionmark问号￣hyphen连字符'apostrophe省略号；所有格符号—dash破折号‘’singlequotationmarks单引号“”doublequotationmarks双引号()parentheses圆括号[]squarebrackets方括号《》Frenchquotes法文引号；书名号...ellipsis省略号¨tandemcolon双点号"ditto同上

7、‖parallel双线号／virgule斜线号＆ampersand=and～swungdash代字号§section;division分节号→arrow箭号；参见号＋plus加号；正号－minus减号；负号±plusorminus正负号×ismultipliedby乘号÷isdividedby除号＝isequalto等于号≠isnotequalto不等于号≡isequivalentto全等于号≌isequaltoorapproximatelyequalto等于或约等于号≈isapproximatelyequalto约等于号

8、＜islessthan小于号＞ismorethan大于号≮isnotlessthan不小于号≯isnotmorethan不大于号≤islessthanorequalto小于或等于号≥ismorethanorequalto大于或等于号％percent百分之…‰permill千分之…∞infinity无限大号∝variesas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○

9、circumference圆周πpi圆周率△triangle三角形⊥perpendicularto垂直于∪unionof并，合集∩intersectionof交，通集∫theintegralof…的积分∑(sigma)summationof总和°degree度′minute分〃second秒＃numbe