Windows offers two primary methods to type the radical sign. One uses a numerical code, while the other utilizes the built-in character map.
The ghost of the radical sign lived in the forgotten spaces of the keyboard. Not on the glossy, finger-worn letters of the home row, nor on the boastful, backlit gaming keys. It resided on the seldom-touched U+221A, a key that existed in no physical keyboard layout, only in the deep memory of Unicode. radical sign on keyboard
"You've got a key for the 'for all' symbol (∀)," he said, "but no way to type a simple square root?" Windows offers two primary methods to type the radical sign