Plus Sign with Black Triangle ⨨

⨨ (U+2A28) 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: Plus Sign with Black Triangle 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 PLUS SIGN WITH BLACK TRIANGLE is a symbol in the Supplemental Mathematical Operators block. Its code point is U+2A28. It is used in math and in user interfaces to show a combined idea of addition and a directional marker. In practice, designers and mathematicians place this symbol where a plus sign needs extra meaning. The symbol helps indicate a specific operation or a comparison in formulas. It can mark steps that add elements or signal a pivot point in a calculation. In user interfaces, it may appear in menus or tools to suggest adding or proceeding with an option. The symbol is part of a set of common math signs that people recognize in calculations and equations. It sits alongside other operators that show relations or operations. When seen, the symbol invites a user to perform an addition or to view another related option. Its use is flexible, but it stays clear and compact. This makes it useful in education, software, and documentation where precise signs support understanding.

Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+2A28 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.