AIt+215                                                   ×乘号
AIt+41420                                                √打勾
AIt+41409                                                打叉
Alt+41446                                                ℃摄氏度       （在WORD中成了?，郁闷...）
Alt+247                                                    ÷除号
Alt+128                                                    输入欧元符号
Alt+137                                                    输入千份号‰
Alt+153                                                           商标(tm)
Alt+165                                                    人民币￥
Alt+174                                                    商标(r)
Alt+177                                                    输入正负符号±
Alt+178                                                    上标2
Alt+179                                                    上标3
Alt+185                                                    上标1
Alt+186                                                    上标o
Alt+188                                                    1/4
Alt+189                                                    1/2  
Alt+190                                                    3/4

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