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Character
Unicode name SQUARE ROOT
Code point U+221A
Unicode block Mathematical Operators
LaTeX input \surd, \sqrt{}
[U+2219] [U+221B]

Translingual[edit]

Symbol[edit]

  1. square root of.
    4 = \sqrt{4} = 2

Usage notes[edit]

This is also called the "radical sign".

See also[edit]