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Minus Sign With Dot Below Symbol

⨪ is a math symbol combining a minus sign with a dot below for specialized notation.

U+2A2A

⨪ is a Unicode math character known as the minus sign with dot below. It’s mainly used in technical and mathematical contexts where a standard minus sign isn’t specific enough.

Minus Sign With Dot Below Symbol Meaning

⨪ (Unicode U+2A2A) is the “minus sign with dot below.” In mathematics and related technical writing, it can be used to distinguish a specific kind of subtraction or a modified minus operator from a plain minus sign. Because this character is part of the Math category, you’ll most often see it in formulae, typeset documents, or notation systems where the dot-below carries meaning (for example, indicating a variant operator or emphasizing a different operation). When you need a symbol that looks like a subtraction sign but with extra punctuation, ⨪ provides that precise glyph.

Common uses

  • Writing math notations that require a minus sign variant with a distinguishing dot below.
  • Typesetting technical documents where plain “−” is insufficient to match a specific convention.
  • Labeling or annotating formula components in educational materials and worksheets.
  • Creating consistent symbol sets for math-aware design systems and UI typography.
  • Using the exact Unicode character in digital publishing to avoid fallback glyph differences.

Examples

⨪ Minus Sign With Dot Below

  • Let a ⨪ b represent the modified subtraction operation.
  • Compute x ⨪ y under the stated definition in the appendix.
  • The operator ⨪ is used for this step of the derivation.
  • Compare the plain minus (−) with ⨪ in the given notation guide.
  • In the formula, replace “−” with ⨪ to match the template.

Variations

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Technical codes

UnicodeU+2A2A
HTML Entity⨪
HTML Code⨪
CSS\2A2A

FAQ

What does the Minus Sign With Dot Below symbol mean?

⨪ (Unicode U+2A2A) is the “minus sign with dot below.” In mathematics and related technical writing, it can be used to distinguish a specific kind of subtraction or a modified minus operator from a plain minus sign. Because this character is part of the Math category, you’ll most often see it in formulae, typeset documents, or notation systems where the dot-below carries meaning (for example, indicating a variant operator or emphasizing a different operation). When you need a symbol that looks like a subtraction sign but with extra punctuation, ⨪ provides that precise glyph.

What is the Unicode name and codepoint for ⨪?

The Unicode name is “MINUS SIGN WITH DOT BELOW,” and its codepoint is U+2A2A.

How can I copy and paste ⨪?

Copy the character ⨪ directly from this page, or use the HTML entity: ⨪.

Does ⨪ replace the regular minus sign (−)?

Not exactly—⨪ is a distinct Unicode character intended for specialized notation where a variant minus sign is required.

What category is ⨪ in Unicode?

It belongs to the “Math” category.

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