There isn't any, it's just that there's a way to create a squire instead of an actual key.
It is a keyboard, not a keybored ! There is no square root button on a standard keyboard, but if you are bored, you can find out how to program a key and get one of the keys to be your square root key.
Nothing!
2
m2
It would be the square root key. (√) `it is not on the keyboard
Use "^2". ^ is Shift-6 on my keyboard.
221A and then ALT-X.
It is 221A + Alt X
There is no single square root button on a keyboard. You can sometimes get the square root symbol by holding down alt and pressing 2 then 5 then 1 (or alt + 251). If that doesn't work, you could copy and paste it. √ (that square root sign is from pressing alt + 251)
To type the square root symbol on ypur keyboard press and hold alt and type 251.
By using brackets, like this: [] Left bracket: [ Right bracket: ]
hold alt and press v it worked on mine !^)