Math Operator 42

Unicode
U+222D
Category
Math
HTML Entity
∭
CSS
\222D
The ∭ (triple integral) symbol is a mathematical operator used in multivariable calculus to represent integration over a three-dimensional region. It is most commonly used by students and professionals to calculate physical properties like volume, mass, or charge distribution in physics and engineering. While you won't see it much on social media, it's a vital character for accurately representing complex mathematical equations digitally.

How to Type

Windows
Alt+8749
macOS
Control+Command+Space then search "triple integral"
Linux
Ctrl+Shift+U 222D Space
HTML
∭ or ∭

In Programming

In mathematical typesetting systems like LaTeX, this symbol is generated using the command \iiint to cleanly render equations involving three variables.

Tags

3d integral 3d region integral LaTeX triple integral analysis calculus iiint mathematics multivariable calculus physics integral three integrals triple integral volume volume integral symbol ∭ symbol

Related Symbols