Double-struck N-ary Summation
⅀
Shortcodes
Copy useful codes for double-struck n-ary summation symbol ⅀ to use in websites, apps, blogs, and docs.
Unicode
U+2140 HTML Code
⅀ HEX Code
⅀ CSS Code
\2140 JS/JSON
\u2140 Unix/C/PHP/JAVA
0x2140 URL-encode
%E2%85%80 Customize Double-struck N-ary Summation
Customize ⅀, download it as SVG or PNG, or copy the generated HTML snippet.
⅀
How to use Double-struck N-ary Summation Symbol in HTML, CSS, and JS
Insert in HTML
1. Direct symbol:
<span>⅀</span> HTML Code:
<span>⅀</span> HEX Code:
<span>⅀</span> Add with CSS
.double-struck-n-ary-summation::before {
content: '\\2140';
} Set it in JavaScript
document.querySelector('.double-struck-n-ary-summation').textContent = '⅀';