U+2378 "⍸" Apl Functional Symbol Iota Underbar Unicode Character

U+2378 "⍸" Apl Functional Symbol Iota Underbar is a specialized glyph used in the APL programming language, where it represents a modification of the standard iota function (⍳) to include an underbar, altering its semantics typically to denote an inverted or reversed indexing operation. In APL, the iota symbol itself generates a vector of consecutive integers, and the underbar variant (⍸) is often employed to find indices where a Boolean array is true, effectively returning the positions of ones in a binary vector or matrix. This character is part of the APL functional symbols block in Unicode, designed to support the unique notation of APL, a language known for its concise and symbolic syntax used in mathematical and data manipulation contexts.

General Properties

Code Point	U+2378
Version Added	1.1
Name	Apl Functional Symbol Iota Underbar
Block	Miscellaneous Technical
General Category	Other Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	⍸
HTML Hex Encoding	⍸
UTF-8 Encoding	0xE2 0x8D 0xB8
UTF-16 Encoding	0x2378
UTF-32 Encoding	0x00002378
C/C++/Java Escape	\u2378

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Pattern Syntax	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other