Plus-Minus Sign: Unicode Version: 1.1 (June 1993) Block: Latin-1 Supplement, U+0080 - U+00FF: Plane: Basic Multilingual Plane, U+0000 - U+FFFF: Script: Code for undetermined script (Zyyy) Category: Math Symbol (Sm) Bidirectional Class: European Terminator (ET) Combining Class: Not Reordered (0) Character is Mirrored: No : GCGID: SA020000 The plus and minus signs, ⟨+⟩ and ⟨−⟩, are mathematical symbols used to represent the notions of positive and negative as well as the operations of addition and subtraction. Plus and minus are Latin terms meaning "more" and "less", respectively. Remember to include the zero Below is the Alt code keyboard shortcut for inserting the plus minus sign.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.. For the the complete list of the ASCII based Windows ALT Codes, refer to Windows ALT Codes for Special Characters & Symbols. In mathematics, it generally indicates a choice of exactly two possible values, one of which is the negation of the other. Using the Plus Minus alt code, you can type this (±) symbol on any Windows keyboard or PC. The plus–minus sign (also, plus or minus sign), ± is a mathematical symbol with multiple meanings. Their use has been extended to many other meanings, more or less analogous.
The Plus Minus Alt Code is 241. Instructions on how to type Plus/minus sign for Windows, Mac, and in HTML. This code is designed to be used to type any symbol that has no dedicated key on the keyboard. If you want to indicate that a mathematical expression can be both positive and negative, then you can use the ± symbol. The plus-minus sign is a mathematical symbol commonly used either ?to indicate the precision of an approximation, or ?to indicate a value that can be of either sign. The sign is normally pronounced "plus or minus". In experimental sciences, the sign commonly indicates the confidence interval or error in a measurement, often the standard deviation or standard error. ±někdy psáno též +−, čteno plus mínus) je matematický symbol, který má více významů: ve statistice, experimentálních vědách a technice obvykle označuje rozmezí hodnot; před znaménkem se uvádí základní hodnota a za znaménkem se uvádí hodnota možné (maximální) odchylky (například chyby) The minus sign is located directly below the plus sign. But when do you use the Plus minus sign? In mathematics, it may indicate two possible values: one positive, and one negative. Or, use the shortcut keys Hold
The sign may also represent an inclusive range of values that a reading might have. Go to “insert symbol’ on the insert tab. Here is a small example: x² = 4 For the variable x, you could now use ± 2.