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⫪

double down tack

Double Down Tack

⫪ is a mathematical operator whose exact meaning depends on the notation using it. A Unicode math-symbol proposal printed 19 April 2000 names it but assigns it no application. MathML, a format for computer-set formulas, lists it as an infix operator—one written between two expressions.

Text symbol

Search it as: double down tack symbol · double down tack copy paste
Shows up in: Anything that takes text · its shape is whatever your font draws

What ⫪ means

⫪ is the double down tack. Unicode classifies it as a mathematical symbol and files it in the Supplemental Mathematical Operators block; this site shelves it under Maths.

Its appearance depends on the font and text styling.

How it is encoded

⫪ is a single code point, U+2AEA. In HTML that is ⫪, and in CSS \2AEA.

Don't confuse it with

⫫

Double Up Tack

Double down tack vs double up tack: these are distinct characters; their names distinguish a double tack pointing down from one pointing up.

Questions people ask

Why does ⫪ show as a box on some devices?

Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.

How to type ⫪

Windows (Word)

Alt+XType 2AEA, then Alt+X to get ⫪.

Windows

Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).

macOS

Control+Command+SpaceOpen the character viewer and search “double down tack”.

Linux

Ctrl+Shift+UType 2aea, then Enter or Space.

HTML

⫪

CSS

\2AEA

Codes and encoding1 code points

HTML decimal

⫪

HTML hex

⫪

CSS content

content: "\2AEA";

Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.

URL encoded

%E2%AB%AA

On screen

Code points

JS .length

UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

Maths & numbers1,835 symbols

1️⃣📏📐✖️➕➖➗🟰♾️#️⃣*️⃣0️⃣