# plus minus symbol

The minus sign, −, has three main uses in mathematics:[16]. as x→0+ but 1/x→− In botanical names, a plus sign denotes graft-chimaera. (2) To quantify the margin or error (precision) of a computation or measurement. In the International Phonetic Alphabet, subscripted plus and minus signs are used as diacritics to indicate advanced or retracted articulations of speech sounds. Move the group plus/minus sign to top in Excel. Some Macbooks released in 2009 or … [18] Further, a few textbooks in the United States encourage −x to be read as "the opposite of x" or "the additive inverse of x"—to avoid giving the impression that −x is necessarily negative (since x itself may already be negative)[19], In mathematics and most programming languages, the rules for the order of operations mean that −52 is equal to −25: Exponentiation binds more strongly than the unary minus, which binds more strongly than multiplication or division. To type the Plus or Minus Symbol anywhere on your PC or Laptop keyboard (like in Microsoft Word or Excel), press Option + Shift + = shortcut for Mac. All three uses can be referred to as "minus" in everyday speech, though the binary operator is sometimes read as "take away". When writing phone numbers, a plus sign represents the keys required to dial out of a country, such as “00” when calling from the United States. ABOUT. {\displaystyle \infty } In many contexts, it does not matter whether the second or the third of these usages is intended. Similar to the plus sign, the minus sign is also used in chemistry and physics. . Download for free in PNG, SVG, PDF formats ... plus plus sign minus time addition symbol calculator schedule add create mathematics Style. Sometimes, it does make a difference꞉ the programming language APL uses a raised minus sign ¯, (Unicode U+00AF) as a prefix rather than a function so that the interpreter of APL has less work when taking ¯5 as the number −5 rather than inverting the constant 5 by means of the minus sign considered as denoting a function (item 2 above). ). You can also find u-00B1, u*00B1, un+00B1, u00B1, u=00B1 or c+00B1. plus or minus. The orbital is the maximum probability of finding an electron around the nucleus.This probability is measured in terms of wave function.The wave function can have a positive or negative values.Therefore for defining the wave function, plus sign is used for positive wave function while a minus sign is used for negative … If you want to indicate that a mathematical expression can be both positive and negative, then you can use the ± symbol. For example, A+ means A-type blood with the Rh factor present, while B− means B-type blood with the Rh factor absent. Plus-Minus ± symbol isn’t just used for equations, it’s also used as a shortcut for ‘plus or minus’. This is the simple page to learn how to type / make plus or minus on your windows keyboard. . To get the letter, character, sign or symbol "±" : ( Plus-minus sign ) on computers with Windows operating system: 1) Press the "Alt" key on your keyboard, and do not let go. Go to the worksheet with group you want to move the plus/minus signs to top. And if you are using Windows, simply press down the Alt key and type 241 using the numeric keypad on the right side of your keyboard. It is not to be confused with, Summa de arithmetica, geometria, proportioni et proportionalità, "List of Arithmetic and Common Math Symbols", The birth of symbols – Zdena Lustigova, Faculty of Mathematics and Physics Charles University, Prague, "The market for Luca Pacioli's Summa Arithmetica", Earliest Uses of Various Mathematical Symbols, "Microsoft Office Excel Calculation operators and precedence", "The Unicode Standard, Version 13.0, Chapter 6.2", Christian-Jewish Dialogue: Theological Foundations By Peter von der Osten-Sacken (1986 – Fortress Press), https://en.wikipedia.org/w/index.php?title=Plus_and_minus_signs&oldid=999159788, Short description is different from Wikidata, Articles containing Italian-language text, Articles with unsourced statements from September 2020, Articles which use infobox templates with no data rows, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 January 2021, at 19:51. ∞ PLUS-MINUS SIGN: resolved name: plus-minus sign: block: Latin-1 Supplement (Latin_1_Sup) common typos: u+00B1, u+B001: There are alternative spelling that can be found in the wild for the unicode character 00B1 like u 00B1, (u+00B1) or u +00B1. Minus sign definition is - a sign — used in mathematics to indicate subtraction (as in 8—6=2) or a negative quantity (as in —10°) —called also negative sign. In C and some other computer programming languages, two plus signs indicate the increment operator and two minus signs a decrement; the position of the operator before or after the variable indicates whether the new or old value is read from it. plus-minus sign (plural plus-minus signs) ( mathematics ) the symbol ± , meaning "plus or minus", used to indicate the precision of an approximation (as in "The result is 10 ± 0.3", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in "The roots of the equation x 2 … shown and explained . In most programming languages, subtraction and negation are indicated with the ASCII hyphen-minus character, -. 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