±

± Plus minus symbol

+-

U+00B1

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Technical information

Name Plus minus symbol
Unicode number
U+00B1
HTML-code
±
CSS-code
\00B1
Entity
Block Latin-1 Supplement
Unicode version: 1.1 (1993)
Alt code:
Alt 241 (English keyboard layout)

Symbol meaning

The plus minus sign is used to indicate the interval. From three to seven, you can write as: 5 ± 2. On the keyboard type Alt + 0177. The number 0177 is entered on the numeric block with Num Lock on.

Also, the solidworks plus minus symbol can be used for: indicate the observational error; spread of values of any parameters.

In a conversation between people the plus minus symbol indicates the inaccuracy of anything.

Plus minus symbol was approved as part of Unicode 1.1 in 1993.

Text is also available in the following languages: Русский; Deutsch;

Properties

Age 1.1
Block Latin-1 Supplement
Bidi Paired Bracket Type None
Composition Exclusion No
Case Folding 00B1
Simple Case Folding 00B1

Encoding

Encoding hex dec (bytes) dec binary
UTF-8 C2 B1 194 177 49841 11000010 10110001
UTF-16BE 00 B1 0 177 177 00000000 10110001
UTF-16LE B1 00 177 0 45312 10110001 00000000
UTF-32BE 00 00 00 B1 0 0 0 177 177 00000000 00000000 00000000 10110001
UTF-32LE B1 00 00 00 177 0 0 0 2969567232 10110001 00000000 00000000 00000000
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