View details and encodings for Unicode character U+23B2 Summation Top, located in the Miscellaneous Technical block and Math Symbol category. This character was released in 2002 under Unicode version 3.2.
⎲⎲U+23B2;9138\0023B2\u23B2\x{23B2}\u{23B2}u'\u23B2'E28EB223B2000023B2