Unicode Character "√" (U+221A)

The character √ (Square Root) is represented by the Unicode codepoint U+221A. It is encoded in the Mathematical Operators block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as √.

Main Unicode Properties

Name Square Root
Unicode Codepoint U+221A
Unicode Version 1.1 (June, 1993)
Block Mathematical Operators
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? Yes

Other Unicode Data

Category Math Symbol
Script Code for undetermined script
Combining Class Not Reordered

U+221A Conversion

HTML (decimal) √
HTML (hex) √
HTML (named) √
URL Escape Code %E2%88%9A
CSS \00221A
JavaScript, JSON \u221A
C, C++, Java \u221A
Python \u221A
Rust \u{221A}
Ruby \u221A

How to type "√"

  • Windows ?: Hold Alt, then type 2 2 1 A. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 2 1 A. Release Alt.

Preview

  • √
    Times, Times New Roman, serif
  • √
    Helvetica, Arial, sans-serif
  • √
    Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xE2 0x88 0x9A
UTF-16 (hex) 0x221A
UTF-32 (hex) 0x0000221A

References