U+00B1 PLUS-MINUS SIGN

±

Plus or minus symbol, a plus sign above a minus sign, used for tolerances, error margins, and both roots in math.

Codepoint

U+00B1

Name

PLUS-MINUS SIGN

Block

Latin-1 Supplement

Script

Common

Category

Math Symbol (Sm)

Unicode version

1.1

Plane

BMP

HTML

± ±

CSS

\B1

UTF-8

C2 B1

UTF-16

00B1

UTF-32

000000B1

Also known as

biquintile (astrological aspect: 144°)

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• ¯U+00AFMACRON
• ³U+00B3SUPERSCRIPT THREE
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• ´U+00B4ACUTE ACCENT
• ­U+00ADSOFT HYPHEN
• µU+00B5MICRO SIGN
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• ·U+00B7MIDDLE DOT