Double Integral symbol

Official name

DOUBLE INTEGRAL

Unicode block

Mathematical Operators

Added in

Unicode 1.1

HTML

∬

HTML hex

∬

CSS content

\222C

JavaScript

\u{222C}

UTF-8 bytes

E2 88 AC

Keywords

calculus, double, integral, mathematics, equation, science

Categories

Maths

The Unicode standard defines this character, but your device’s fonts decide how it looks, so it may differ on other screens.