方法1:字符映射表
1、打开运行(win+R快捷键),输入charmap,点击确定。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8c1001e93901213f089fc4e45ae736d12f2e955e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、打开电脑上的字符映射表了,如下图所示,我们点击选中一个字符,点击选择,点击复制我们就可以使用了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4afbfbedab64034f5011483ea1c379310a551d2d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
方法2:输入法特殊符号
1、首先点击如图所示的软键盘,然后会出现“特殊符号”和“软键盘”两个选项,点击“特殊符号”。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/77094b36acaf2edd0581bfd1831001e939019392?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、然后会出现符号集成的页面,在页面中有五个选项,特殊符号一栏里是各种图形、箭头之类的符号,而数字符号则有各种各样的数字符号,包括带圈的、带括号的、罗马数字等,而数字/单位栏里则有一些公式常用符号。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b219ebc4b74543a9af4d0cf410178a82b90114b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)