Minus Sign with Dot Below ⨪

⨪ (U+2A2A) is a standard Unicode character that you can copy and paste anywhere text is accepted. This page provides a concise reference with safe tips, internal links, and practical guidance so you can use it reliably across apps and platforms.

What it is and where it’s used: Minus Sign with Dot Below is part of the Symbols family (block: Supplemental Mathematical Operators). If you need styled or decorative alternatives, try our Fancy Text tool to generate compatible text that works in most modern interfaces.

History & usage: The MINUS SIGN WITH DOT BELOW is a Unicode math symbol used in lists of common math signs. Its code point is U+2A2A. It appears in the Supplementary Mathematical Operators block and is a sign for subtraction or a related operation in formulas. In practice, it helps show a clear subtraction mark when a simple minus may be ambiguous in dense expressions. The dot below can emphasize the sign’s role or distinguish it from other minus-like marks in complex equations. The symbol is selected for use in technical documents, math editors, and user interfaces that display formulas. When it appears next to numbers or variables, it communicates a subtraction action within an expression or constraint. It is treated as a versatile operator in both mathematics and digital interfaces. In handwriting or typesetting, the dot below adds a visual cue that supports readability in tight layouts. Overall, this symbol supports precise communication of subtraction and related operations in mathematical contexts and in software that renders formulas.

Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+2A2A in many development tools or editors. Some operating systems provide a character viewer or input palette that lets you search by name or code and insert the glyph into documents.

Display and fallback: if you see an empty box (tofu) or a placeholder rectangle, the active font might not include this codepoint. Switching to a font with broader Unicode coverage or using a fallback font usually fixes the issue. On the web, ensure the page’s font stack includes a general‑purpose fallback.

Related references: browse the Categories for similar characters. When choosing a symbol, prefer the official codepoint for semantic clarity and better compatibility with search, copy, and accessibility tooling.

See our category page for related symbols.