PLUS-MINUS SIGN character

PLUS-MINUS SIGN
U+00B1
177
±
±
PLUS-OR-MINUS SIGN
Sm (Math Symbol)
ET (European Number Terminator)
N
0
Latin-1 Supplement
0
BMP
Basic Multilingual Plane
0000-FFFF
±












PLUS-MINUS SIGN is a symbol of mathematical use from the Basic Multilingual Plane.

The bidi class of PLUS-MINUS SIGN is European Number Terminator (Weak). It belongs to the punctuation marks used with numbers, like the degree sign or currency symbols. Treated like digits when they occur as part of a number and like punctuation the rest of the time..

The European Terminator (ET) bidi class includes characters such as currency symbols ($, €, £) and other punctuation marks that typically appear alongside European numbers. ET characters are treated neutrally and ensure that symbols associated with numbers are displayed correctly in bidirectional text.

Math Symbol (Sm) refers to characters that are used in mathematical expressions, including operators, comparators, and other symbols essential for writing equations and performing calculations. Examples include the plus sign (+), equal sign (=), and multiplication sign (×).

This character belongs to the Latin-1 Supplement block. The Latin-1 Supplement block extends the Basic Latin block by adding additional characters used in Western European languages. This includes letters with diacritics (such as é, ñ, and ö), punctuation marks, and symbols like the Euro sign (€). This block is part of the ISO/IEC 8859-1 encoding standard, which was widely used before the adoption of Unicode. These characters are essential for representing languages such as French, German, Spanish, and Portuguese, ensuring proper orthography and typographic conventions..