U+29EF "⧯" Error-Barred Black Square Unicode Character
Unicode Version 18.0
Source: Browser Default
U+29EF "⧯" Error-Barred Black Square is a mathematical symbol that appears as a solid black square with a vertical line or "error bar" extending from its top and bottom edges, used primarily in statistical and scientific notation to represent a data point with an associated margin of error, uncertainty, or tolerance. It belongs to the Miscellaneous Mathematical Symbols-B block, encoded for use in technical and academic documents where such visual shorthand is required to convey measurement precision or variability.
General Properties
Code Point
U+29EF
Name
Error-Barred Black Square
Encodings
HTML Decimal Encoding
⧯
HTML Hex Encoding
⧯
UTF-8 Encoding
0xE2 0xA7 0xAF
UTF-16 Encoding
0x29EF
UTF-32 Encoding
0x000029EF
C/C++/Java Escape
\u29ef
Unicode Properties
Numeric Value
NaN
Script Extensions
Common