| & | AND 符号 | & amp; | ampersand |
| < | 小于 | & lt; | little |
| > | 大于 | & gt; | great |
| 空格 | & nbsp; | number space | |
| ? | 问号 | & quest; | question |
| “ | 引号 | & quot; | quote |
| × | 乘号 | & times; | times |
| ÷ | 除号 | & divide; | divide |
| | | 竖线 | & vert; | VerticalLine |
| ± | 加减号 | & plusmn; | plus minus |
| ≠ | 不等号 | & ne; | not equal |
| ≤ | 小于等于 | & le; | less than or equal to |
| ≥ | 大于等于 | & ge; | great than or equal to |