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Plus or minus sign. The plus–minus sign or plus-or-minus sign, ±, is a symbol with multiple meanings. In mathematics, it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction. In statistics and experimental sciences, the sign commonly indicates the confidence ...
propositional logic, Boolean algebra, first-order logic. ⊥ {\displaystyle \bot } denotes a proposition that is always false. The symbol ⊥ may also refer to perpendicular lines. The proposition. ⊥ ∧ P {\displaystyle \bot \wedge P} is always false since at least one of the two is unconditionally false. ∀.
The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1] Their use has been extended to many other meanings, more or less analogous.
± (plus–minus sign) 1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +.
Alt code. On personal computers with numeric keypads that use Microsoft operating systems, such as Windows, many characters that do not have a dedicated key combination on the keyboard may nevertheless be entered using the Alt code (the Alt numpad input method). This is done by pressing and holding the Alt key, then typing a number on the ...
The plus and minus symbols are used to show the sign of a number.. In mathematics, the sign of a real number is its property of being either positive, negative, or 0.Depending on local conventions, zero may be considered as having its own unique sign, having no sign, or having both positive and negative sign.
Caret (The freestanding circumflex symbol is known as a caret in computing and mathematics) Circumflex (diacritic), Caret (computing), Hat operator ̂: Circumflex (diacritic) Grave, Tilde: Combining Diacritical Marks, Diacritic: Colon: Semicolon, Comma: Cedilla, Decimal separator ⁒ Commercial minus sign: Minus sign, Division sign, Per cent ...
The CharInsert toolbar. To insert a dash or minus sign, use the toolbar below the edit box. Click where you want the character to be inserted, select "Insert" from the pull-down menu, and then: To insert an en dash (–), click on the first character (the shorter dash). To insert an em dash (—), click on the second character (the longer dash).