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⩪

tilde operator with dot above

Tilde operator with dot above

⩪ is a math operator placed between expressions, but its shape alone does not tell you which relation it represents. As of 2026, Unicode and MathML describe its form and position without prescribing a verbal reading; <code>simdot</code> is its HTML entity name, and the formula's notation supplies the meaning.

Text symbol
Search it as
simdot
Shows up in
Anything that takes text · its shape is whatever your font draws

What ⩪ means

The formula's notation defines the relation. simdot is the HTML entity name, not a mathematical reading. Unicode and MathML list ⩪ as an infix operator, meaning it sits between two expressions; that position does not tell you what relation the author assigns it.

Don't confuse it with

4
⩳
Equals Sign Above Tilde Operator
shares “above”, “operator”, “tilde”
⫇
Subset Of Above Tilde Operator
shares “above”, “operator”, “tilde”
⫈
Superset Of Above Tilde Operator
shares “above”, “operator”, “tilde”
⨀
N-Ary Circled Dot Operator
shares “dot”, “operator”

Questions people ask

1

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 2A6A, 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 “tilde operator with dot above”.
Linux
Ctrl+Shift+UType 2a6a, then Enter or Space.
HTML
&#x2A6A;
CSS
\2A6A
HTML
In HTML, `&simdot;` is the named character reference for ⩪.
Codes and encoding1 code points
HTML decimal
&#10858;
HTML hex
&#x2A6A;
CSS content
content: "\2A6A";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%A9%AA
1
On screen
1
Code points
1
JS .length
3
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

1

Maths & numbers1,835 symbols

1️⃣📏📐✖️➕➖➗🟰♾️#️⃣*️⃣0️⃣