How to make a phone call on a computer:
① The easiest way is to right-click on the small keyboard of the floating language bar on the desktop to select mathematical symbols, and there will be a √ on the soft keyboard.
Input directly from the keyboard, the method is as follows:
② Hold down the shift key (Alt key) with your left hand, press 4 1420 with your right hand in turn, release your hands, and the root sign (√) will come out.
③WORD 2003 inserts "root symbol"
WORD 2003 insert formula
Click where you want to insert the formula.
(1) On the Insert menu, click Object, and then click the New tab.
Click the OK button.
(2) Select symbols from the formula toolbar and type variables and numbers to create a formula.
(3) On the top line of the formula toolbar, you can choose from more than 150 mathematical symbols. In the next line, you can choose from many templates or frameworks.