✦ SymbolFYI
us English kr 한국어 jp 日本語 cn 中文简体 es Español br Português in हिन्दी sa العربية fr Français ru Русский de Deutsch tr Türkçe vn Tiếng Việt id Bahasa Indonesia th ไทย
√

Square Root

221A · Mathematical Operators · Zyyy

Über Square Root

Mathematical radical (U+221A) from the Mathematical Operators block representing the principal square root. Available as HTML entity √. One of the oldest mathematical symbols, used since the 16th century for finding a number whose square equals the radicand.

On this page

Kodierungen

Unicode-Block U+221A
Dezimal √
HTML-Hexadezimal √
HTML-Entität √
CSS \221A
JavaScript \u{221A}
Python \u221a
Java \u221A
UTF-8 Hex e2 88 9a
UTF-16 22 1a
URL-kodiert %E2%88%9A

Unicode-Eigenschaften

Block
Mathematical Operators
Script
Zyyy
Category
Math Symbol (Sm)
Bidirectional
ON

Ähnliche Symbole

° 00B0 π 03C0 ∏ 220F ∑ 2211 ∞ 221E

Vergleichen

√ vs ° Degree Sign √ vs ∞ Infinity √ vs π Greek Small Letter Pi √ vs ∑ N-Ary Summation √ vs ∏ N-Ary Product

Verwandte Symbole

∞ 221E ° 00B0 × 00D7 π 03C0 ± 00B1 ÷ 00F7 ≤ 2264 ∑ 2211 ≥ 2265 ≠ 2260 ≈ 2248 ∫ 222B

Verwandte Anleitungen

How to Use the SymbolFYI HTML Entity Finder
A guide to SymbolFYI's HTML Entity Finder — search for HTML entities by name, character, or code point, with copy-ready entity codes for your web projects.
How to Use the SymbolFYI Unicode Lookup Tool
A guide to SymbolFYI's Unicode Lookup — enter a U+ codepoint to see the character's name, block, script, and full encoding details.
How to Type Special Characters on Windows: Alt Codes and Beyond
Type any special character on Windows — Alt codes, Win+. emoji panel, Character Map, Unicode hex input, and third-party tools like WinCompose.
Mathematical Notation in Unicode: From Clay Tablets to Code Points
How mathematical symbols were standardized in Unicode — the history of +, −, ×, ÷, =, π, ∑, ∫ and the challenges of encoding mathematical notation.

Häufig gestellte Fragen

What is the √ Square Root symbol?

√ is the Square Root symbol, encoded at Unicode 221A.

What is the Unicode codepoint of Square Root?

The Square Root symbol (√) has codepoint 221A.

How do I type or copy Square Root?

Copy √ directly, or use the HTML entity, CSS, JavaScript, and Python encodings shown on this page.