View details and encodings for Unicode character U+2370 Apl Functional Symbol Quad Question, located in the Miscellaneous Technical block and Other Symbol category. This character was released in 1993 under Unicode version 1.1.
⍰⍰U+2370;9072\002370\u2370\x{2370}\u{2370}u'\u2370'E28DB0237000002370