Plus-Minus Sign

Group: Mathematics

Keywords

math

About this character

Plus-Minus Sign belongs to the Mathematics group and is encoded at U+00B1. It was added in Unicode 0.0.

Shortcode

Chat apps such as Slack, Discord and GitHub accept this shortcode instead of the character itself.

Technical codes

Code point: U+00B1
Hex: 00B1
Decimal: 177
HTML: ±
CSS: \B1
JavaScript: \u00B1
Python: \u00B1
UTF-8: C2 B1

The same character is drawn differently by each operating system and font.

For All U+2200 Similar
Complement U+2201 Similar
Partial Differential U+2202 Similar
There Exists U+2203 Similar
There Does Not Exist U+2204 Similar
Empty Set U+2205 Similar
Increment U+2206 Similar
Nabla U+2207 Similar
Element Of U+2208 Similar
Not An Element Of U+2209 Similar
Small Element Of U+220A Similar
Contains As Member U+220B Similar
Does Not Contain As Member U+220C Similar
Small Contains As Member U+220D Similar
End Of Proof U+220E Similar
N-Ary Product U+220F Similar
N-Ary Coproduct U+2210 Similar
N-Ary Summation U+2211 Similar
Minus Sign U+2212 Similar
Minus-Or-Plus Sign U+2213 Similar
Dot Plus U+2214 Similar
Division Slash U+2215 Similar
Set Minus U+2216 Similar
Asterisk Operator U+2217 Similar

Questions

Why does this emoji look different on my phone?

Unicode standardises the meaning of a character, not its drawing. Apple, Google, Microsoft and Samsung each ship their own artwork, so the same code point changes shape between devices.

Does copying work everywhere?

The character is copied as plain text, so it pastes into any app that accepts text. If the receiving app has no font for it, you will see an empty box instead.