View details and encodings for Unicode character U+22A1 Squared Dot Operator, located in the Mathematical Operators block and Math Symbol category. This character was released in 1993 under Unicode version 1.1.
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⊡⊡U+22A1;8865\0022A1\u22A1\x{22A1}\u{22A1}u'\u22A1'E28AA122A1000022A1