I am on school site and I need to make the square root sign from computer. Its an hp laptop

Solution
can also go to go to Start > Programs > Accessories > System Tools > Character Map. Scroll down until you find the √ symbol and double-click it. Then you can paste it.

With the ALT 251 may need to click the Fn key to activate the numeric keypad
can also go to go to Start > Programs > Accessories > System Tools > Character Map. Scroll down until you find the √ symbol and double-click it. Then you can paste it.

With the ALT 251 may need to click the Fn key to activate the numeric keypad
 
Solution