| Name | PLUS-MINUS SIGN PLUS-OR-MINUS SIGN |
| Unicode Version | 1.1 |
| Block（ブロック） | Latin-1 Supplement（ラテン1補助） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ± ± |
| UTF-8 Encoding | ± c2b1 |
| UTF-16 Encoding | ± 00b1 |
| UTF-32 Encoding | ± 000000b1 |