This is the only one I have seen in unicode (plus over minus):

±

HTML/XML Character reference:

±

HTML Named Entity:

±

This symbol is used to indicate the precision of an approximation.

Answer from gillytech on Stack Overflow

This is the only one I have seen in unicode (plus over minus):

±

HTML/XML Character reference:

±

HTML Named Entity:

±

This symbol is used to indicate the precision of an approximation.

Answer from gillytech on Stack Overflow
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Wikipedia
en.wikipedia.org › wiki › Plus–minus_sign
Plus–minus sign - Wikipedia
1 month ago - In electronics, this sign may indicate ... feature, such as [±voiced]. ... In ISO 8859-1, -7, -8, -9, -13, -15, and -16, the plus–minus symbol is code 0xB1hex. This location was copied to Unicode......
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UnicodePlus
unicodeplus.com › U+00B1
"±" U+00B1: Plus-Minus Sign (Unicode Character)
The unicode character U+00B1 (±) is named "Plus-Minus Sign" and belongs to the Latin-1 Supplement block. It is HTML encoded as ±.
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Wikipedia
en.wikipedia.org › wiki › Plus_and_minus_signs
Plus and minus signs - Wikipedia
3 weeks ago - It is also used occasionally in books by religious authors, but most books for adults use the international symbol +. Unicode has this symbol at position · U+FB29 ﬩ HEBREW LETTER ALTERNATIVE PLUS SIGN. There is a commercial minus sign, ⁒, which is (or was) used in Germany and Scandinavia.
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Codepoints
codepoints.net › unicode › basic multilingual plane › latin-1 supplement › u+00b1 plus-minus sign: ± – unicode
U+00B1 PLUS-MINUS SIGN: ± – Unicode
±, codepoint U+00B1 PLUS-MINUS SIGN in Unicode, is located in the block “Latin-1 Supplement”. It belongs to the Common script and is a Math Symbol.
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Unicode Compart
compart.com › en › unicode › U+00B1
“±” U+00B1 Plus-Minus Sign Unicode Character
U+00B1 is the unicode hex value of the character Plus-Minus Sign. Char U+00B1, Encodings, HTML Entitys:±,±,±, UTF-8 (hex), UTF-16 (hex), UTF-32 (hex)
Find elsewhere
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Encyclopedia MDPI
encyclopedia.pub › entry › 27645
Plus-Minus Sign | Encyclopedia MDPI
April 23, 2023 - On the Chromebook, it may be entered by pressing shift, ctrl and u, and then writing the unicode for plus-minus (00B1). The plus-minus sign resembles the Chinese characters 士 and 土, whereas the minus-plus sign resembles 干.
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SYMBL
symbl.cc › homepage › unicode › blocks › latin-1 supplement › latin-1 punctuation and symbols › plus minus symbol
± Plus minus symbol symbol meaning, copy and paste unicode character - (◕‿◕) SYMBL
January 29, 2025 - 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.
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Unicode Lookup
unicode.scarfboy.com
± - PLUS-MINUS SIGN (U+B1)
U+B1 , ± , is called "PLUS-MINUS SIGN", a math symbol, within the 'Latin-1 Supplement' block (U+0080 through U+00FF)
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UTF-8 Icons
utf8icons.com › character › 177 › plus-minus-sign
PLUS-MINUS SIGN | UTF-8 Icons
The image below shows how the “Plus-Minus Sign” symbol might look like on different operating systems. If the font in which this web site is displayed does not contain the symbol and there is no fallback font able to render it, you can use the image below to get an idea of what it should look like.
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Graphemica
graphemica.com › ±
± | plus-minus sign (U+00B1) @ Graphemica
Info · Code · Glyphs · Related · Chart · Encodings · Data · Words · Tags · Comments · · · · U+00B1 · · · · Unicode Code Point · ± · · · · Character · plus-minus sign · · · · Name · Latin-1 Supplement · · · · Block · Common · · ·
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ASCII Code
ascii-code.com › character › ±
± - plus-or-minus sign - ASCII Code
It generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction. In ISO 8859-1, -7, -8, -9, -13, -15, and -16, the plus–minus symbol is code 0xB1. This location was ...
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LanguageTool
forum.languagetool.org › development
Unicode Character 'PLUS-MINUS SIGN' (U+00B1) - Development - LanguageTool Forum
June 18, 2020 - Test text: When I paste text into ... sequence. If I remove the plus/minus sign, LT starts. As best I can tell, ± is a valid UTF-8 character (Unicode Character 'PLUS-MINUS SIGN' ......
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Toptal
toptal.com › designers › htmlarrows › math › plus-or-minus-sign
Plus or Minus Sign HTML Symbol, Character and Entity Codes — HTML Arrows
HTML symbol, character and entity codes, ASCII, CSS and HEX values for Plus or Minus Sign, plus a panoply of others.
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Unicode Compart
compart.com › en › unicode › U+2213
“∓” U+2213 Minus-or-Plus Sign Unicode Character
U+2213 is the unicode hex value of the character Minus-or-Plus Sign. Char U+2213, Encodings, HTML Entitys:∓,∓,∓, UTF-8 (hex), UTF-16 (hex), UTF-32 (hex)
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HTML Symbols
htmlsymbols.xyz › unicode › U+00B1
± - Plus-minus sign (U+00B1) - HTML Symbols
Detailed information about the Unicode character 'Plus-minus sign' with code point U+00B1 that can be used as a symbol or icon on your site.
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Unicode Symbol
unicode-symbol.com › u › 00B1.html
± - plus-minus sign (u+00B1) copy and paste - Unicode® symbol
You can safely add this character in your html code with the entity: ± You can use the u+00B1 copy pc button below. ... The following table show specific meta-data that is known about this character.The u+00B1 name is plus-minus sign emoji.
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Alt Code List
altcodeunicode.com › home › ± plus minus sign alt code
Alt Code for Plus Minus Sign ± | Keyboard Shortcut
July 7, 2024 - If you are new to Alt codes and need detailed instructions on how to use them, please read How to Use Alt Codes to Enter Special Characters. The Alt code for the plus or minus (±) sign on Windows systems is 241 or 0177.