Demonstration equipment: Lenovo AIO520-22 all-in-one machine, WIN7, Word 2007.
First, open the electronic resume with Word, and put the insertion point where you need to enter a box.
2. Then enter the words "22 1a".
Third, finally press Alt, and then click X.
4. As shown in the figure below, the input "22 1A" can be converted into "√" symbol.