Math Operator 21

Unicode
U+2214
Category
Math
HTML Entity
∔
CSS
\2214
The Dot Plus symbol (∔) features a standard mathematical plus sign with a small dot positioned above its center. In advanced mathematics and abstract algebra, it is used to represent specialized operations like the Boolean XOR, orthogonal direct sums, or a modified form of addition. While rarely seen in casual texting, it remains an essential typographic tool for academic papers and complex mathematical formatting.

How to Type

Windows
Type 2214 then press Alt + X (in Microsoft Word), or use the Character Map
macOS
Control + Command + Space then search "dot plus"
Linux
Ctrl + Shift + U, type 2214, then press Enter
HTML
∔ or ∔

In Programming

This symbol is primarily used in mathematical typesetting environments like LaTeX (using the \dotplus command) rather than as a functional operator in general-purpose programming languages.

Tags

LaTeX dot plus U+2214 XOR symbol abstract algebra academic math symbol addition arithmetic boolean addition direct sum math dot plus mathematics modified plus operator orthogonal sum

Related Symbols