Square Original Of ⊐

U+2290
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Symbol Meaning

Square Original Of. Mathematical Operators.

The symbol “Square Original Of” is included in the “Relations” subblock of the “Mathematical Operators” block and was approved as part of Unicode version 1.1 in 1993.

Unicode Name Square Original Of
Unicode Number
HTML Code
CSS Code
Entity ⊐
Unicode Block Mathematical Operators
Unicode Subblock Relations
Unicode Version 1.1 (1993)
Version 1.1
Block Mathematical Operators
Type of paired mirror bracket (bidi) None
bmg 228F
Composition Exclusion No
Case change 2290
Simple case change 2290
Math +
Grapheme_Base +
age 1.1
scripts Common
Encoding hex dec (bytes) dec binary
UTF-8 E2 8A 90 226 138 144 14846608 11100010 10001010 10010000
UTF-16BE 22 90 34 144 8848 00100010 10010000
UTF-16LE 90 22 144 34 36898 10010000 00100010
UTF-32BE 00 00 22 90 0 0 34 144 8848 00000000 00000000 00100010 10010000
UTF-32LE 90 22 00 00 144 34 0 0 2418147328 10010000 00100010 00000000 00000000

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