Bullet Operator vs Plus-Minus Sign
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Property Comparison
| Property | ∙ 2219 | ± 00B1 |
|---|---|---|
| Name | Bullet Operator | Plus-Minus Sign |
| Category | Math Symbols | Math Symbols |
| Block | Mathematical Operators | Latin-1 Supplement |
| Script | Zyyy | Zyyy |
| General Category | Math Symbol (Sm) | Math Symbol (Sm) |
| Bidirectional | ON | ET |
Encoding Comparison
| Format | 2219 | 00B1 |
|---|---|---|
| Unicode | U+2219 | U+00B1 |
| HTML Decimal | ∙ | ± |
| HTML Hex | ∙ | ± |
| CSS | \2219 | \00B1 |
| JavaScript | \u{2219} | \u{B1} |
| Python | \u2219 | \u00b1 |
| UTF-8 | e2 88 99 | c2 b1 |
How to Distinguish
Both Bullet Operator 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.