| Symbol Name | Square Original Of |
| Unicode Version | 1.1 |
| Unicode | U+2290 |
| Unicode block | |
| General category | Math Symbol (Sm) |
| CSS Code | \2290 |
| Hex Code | 0x2290 |
| HTML Code | ⊐ |
| LaTeX | \mathrm{⊐} |
| Symbol | ⊐ |
| URL encode (UTF-8 percent) | %E2%8A%90 |
| Spoken / screen reader name | Square Original Of |
| UTF-8 | E2 8A 90 |
| UTF-16 | 2290 |
| UTF-32 | 00002290 |
1\documentclass{article}2\usepackage{pifont}3\mathrm{⊐}4\end{document}You can type the square original of symbol on most modern devices with the help of following methods:
Alt + 8848 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "square original of", or use Unicode Hex Input with 2290.
Ctrl + Shift + U, type 2290, then Enter (layout-dependent).
Paste from this page, use text replacement, or pick from the symbol keyboard.
Paste from this page or use a keyboard with math symbol support.
1span.square-original-of::before { content: "\2290"; }1<span>⊐</span>Square Original Of symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u2290' or String.fromCodePoint(0x2290) |
| Python | '\N{SQUARE ORIGINAL OF}' or chr(8848) |
| Rust | '\u{2290}' |
| C / C++ | UTF-8 source or wchar_t with U+2290 |
| Go | string(rune(0x2290)) |
| Ruby | "\u2290" |