如下
+　 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 greater 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　無限大號(hào)∝　varies as　與…成比例√　(square) root　平方根∵　since; because　因?yàn)椤唷ence　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℃　Celsius system　攝氏度
 
{　open brace, open curly　左花括號(hào)}　close brace, close curly　右花括號(hào)(　open parenthesis, open paren　左圓括號(hào))　close parenthesis, close paren　右圓括號(hào)() brakets/ parentheses　括號(hào)[　open bracket 左方括號(hào)]　close bracket 右方括號(hào)[] square brackets　方括號(hào).　period, dot　句號(hào),點(diǎn)|　vertical bar, vertical virgule　豎線&　ampersand, and, reference, ref　和,引用*　asterisk, multiply, star, pointer　星號(hào),乘號(hào),星,指針/　slash, divide, oblique 斜線,斜杠,除號(hào)//　slash-slash, comment 雙斜線,注釋符#　pound　井號(hào)\　backslash, sometimes escape　反斜線轉(zhuǎn)義符,有時(shí)表示轉(zhuǎn)義符或續(xù)行符~　tilde　波浪符.　full stop　句號(hào),　comma　逗號(hào):　colon　冒號(hào);　semicolon　分號(hào)?　question mark　問號(hào)!　exclamation mark (英式英語) exclamation point (美式英語)'　apostrophe　撇號(hào)-　hyphen　連字號(hào)-- dash 破折號(hào)...　dots/ ellipsis　省略號(hào)"　single quotation marks 單引號(hào)""　double quotation marks 雙引號(hào)‖ parallel 雙線號(hào)&　ampersand = and～　swung dash 代字號(hào)§　section; division 分節(jié)號(hào)→　arrow 箭號(hào)；謝謝，能不能舉一個(gè)實(shí)用的例子。什么實(shí)用的例子？比如1+1=2用英語為 One plus one equals two就像：三點(diǎn)二，三分之二，二的三次方。。。。這類的平時(shí)常用的，謝謝。Three point two two-thirdsTwo of the three power