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Plus–minus sign. The plus–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 interval or uncertainty ...
Find out how to troubleshoot common issues with AOL Mail , such as signing in, password reset, spam protection, and more.
Dollar sign. The dollar sign, also known as the peso sign, is a currency symbol consisting of a capital S crossed with one or two vertical strokes ( $ or depending on typeface ), used to indicate the unit of various currencies around the world, including most currencies denominated "dollar" or "peso".
AOL Mail gives you a personalized mail experience to connect with your friends or family and makes it easy to manage your account info.
AOL Desktop Gold offers a variety of options for signing in to your AOL account. Review the sections below to learn how to add and switch between usernames, view all saved usernames, and how to manage your preferences for signing in to AOL Desktop Gold.
The equals sign ( British English) or equal sign ( American English ), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation, it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...
At sign. The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £ 2 per widget = £14), [1] now seen more widely in email addresses and social media platform handles. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign .
Single sign-on ( SSO) is an authentication scheme that allows a user to log in with a single ID to any of several related, yet independent, software systems.