The root sign is a mathematical symbol. The root sign is a symbol used to represent the root operation of a number or an algebra.

The method of typing the root sign (√) by computer is as follows:

1. Click the right mouse button on the keyboard of the floating language bar on the desktop to select the mathematical symbol, which will be available in the soft keyboard.

2. Hold down the shift key (Alt key) with your left hand, press the keypad 4 1420 with your right hand in turn, release your hands, and the root sign (√ ~) will come out.

3. Insert the "root symbol" with WORD, insert the formula, and click the position where you want to insert the formula.

4. If you type "tick" or "right" with the input method, "√ ~" will appear.