U+2A22 "⨢" Plus Sign with Small Circle Above Unicode Character

U+2A22 "⨢" Plus Sign with Small Circle Above is a mathematical symbol that combines a standard plus sign with a small circle placed directly above it, typically used in advanced notation to represent a specialized binary operation or relation within algebra, logic, or other formal systems. Its design allows it to convey a modification or variant of the basic addition operation, often appearing in contexts where a specific, non standard sum or composition is defined. This character is part of the Supplemental Mathematical Operators block, which provides symbols for technical fields that require precise and distinct typographic representations.