Unicode Character 'RING OPERATOR' (U+2218)

previous character next character

U+2218 browser display

RING OPERATOR

image of Unicode Character 'RING OPERATOR' (U+2218)
Raster image of U+2218

RING OPERATOR

Unicode Data
Name RING OPERATOR
Block Mathematical Operators
Category Symbol, Math [Sm]
Script Common (Zyyy)
Combine 0
BIDI Other Neutrals [ON]
Index entries apl jot
composite function
function, composite
jot, apl
RING OPERATOR
Comments Formal Alias: composite function
Formal Alias: APL jot
See Also degree sign U+00B0
devanagari abbreviation sign U+0970
white bullet U+25E6
avestan abbreviation mark U+10B39
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) ∘
HTML Entity (hex) ∘
HTML Entity (named) ∘: ∘
∘: ∘
How to type in Microsoft Windows Alt +2218
UTF-8 (hex) 0xE2 0x88 0x98 (e28898)
UTF-8 (binary) 11100010:10001000:10011000
UTF-16 (hex) 0x2218 (2218)
UTF-16 (decimal) 8,728
UTF-32 (hex) 0x00002218 (2218)
UTF-32 (decimal) 8,728
C/C++/Java source code "\u2218"
Python source code u"\u2218"
More...
Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock MATHEMATICAL_OPERATORS
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_OTHER_NEUTRALS [13]
Character.getNumericValue() -1
Character.getType() 25
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() No
Character.isJavaIdentifierStart() No
Character.isLetter() No
Character.isLetterOrDigit() No
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No