What is the ASCII (Alt+number) for the square root symbol (√) in Windows?

How do I type the square root symbol (√) in Windows?

Answer

In short it's ALT + 251 (note, no preceding zero)

Unicode it is U-221A

http://www.fileformat.info/info/unicode/char/221a/index.htm

√

If that doesn't work then:

Press and hold down the Alt key.
Press the + (plus) key on the numeric keypad.
Type the hexidecimal unicode value (221A).
Release the Alt key.