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√

Square Root

221A · Mathematical Operators · Zyyy

概要 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

エンコード

Unicode ブロック U+221A
10進数 √
HTML 16進数 √
HTML エンティティ √
CSS \221A
JavaScript \u{221A}
Python \u221a
Java \u221A
UTF-8 16進数 e2 88 9a
UTF-16 22 1a
URLエンコード %E2%88%9A

Unicode プロパティ

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

類似記号

° 00B0 π 03C0 ∏ 220F ∑ 2211 ∞ 221E

比較

√ vs ° 度記号 √ vs ∞ 無限大 √ vs π ギリシャ文字小文字パイ √ vs ∑ N-Ary Summation √ vs ∏ N-Ary Product

関連記号

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

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よくある質問

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.