Error-Barred Black Square vs Plus-Minus Sign
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Property Comparison
| Property | ⧯ 29EF | ± 00B1 |
|---|---|---|
| Name | Error-Barred Black Square | Plus-Minus Sign |
| Category | Math Symbols | Math Symbols |
| Block | Miscellaneous Mathematical Symbols-B | Latin-1 Supplement |
| Script | Zyyy | Zyyy |
| General Category | Math Symbol (Sm) | Math Symbol (Sm) |
| Bidirectional | ON | ET |
Encoding Comparison
| Format | 29EF | 00B1 |
|---|---|---|
| Unicode | U+29EF | U+00B1 |
| HTML Decimal | ⧯ | ± |
| HTML Hex | ⧯ | ± |
| CSS | \29EF | \00B1 |
| JavaScript | \u{29EF} | \u{B1} |
| Python | \u29ef | \u00b1 |
| UTF-8 | e2 a7 af | c2 b1 |
How to Distinguish
Both Error-Barred Black Square and Plus-Minus Sign are in the Math Symbols category but reside in different Unicode blocks. Check the codepoint to tell them apart.
Tip: Paste the character into a hex editor or use
charCodeAt()
in JavaScript to check the actual codepoint.