常用的数学符号英文读法一般符号对应的英文单词．period 句号，comma 逗号：colon 冒号；semicolon 分号！exclamation 惊叹号？question mark 问号─ hyphen 连字符’ apostrophe 省略号；所有格符号— dash 破折号‘’single quotation marks 单引号“”double quotation marks 双引号( ) parentheses 圆括号[ ] square brackets 方括号《》French quotes 法文引号；书名号... ellipsis 省略号¨ tandem colon 双点号" ditto 同上‖parallel 平行／virgule 斜线号＆ampersand = and～swung dash 代字号§ section; division 分节号→ arrow 箭号；参见号＋plus 加号；正号－minus 减号；负号± plus or minus 正负号× is multiplied by or cross 叉乘÷ 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 （is greater than在数学中更常用）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