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The plus sign. Addition is written using the plus sign "+" between the terms; [3] that is, in infix notation.The result is expressed with an equals sign.For example, + = ("one plus two equals three")
In US grading systems, the plus sign indicates a grade one level higher and the minus sign a grade lower. For example, B− ("B minus") is one grade lower than B. In some occasions, this is extended to two plus or minus signs (e.g., A++ being two grades higher than A). [citation needed]
OnePlus One, an Android smartphone; One Plus One, original title of Jean-Luc Godard's 1968 film Sympathy for the Devil; One Plus One, 2002 graphic novel published by Oni Press; One Plus One (TV programme), a weekly interview show aired by ABC in Australia; Unomásuno (English: One Plus One), a Mexican newspaper
3. Between two groups, may mean that the second one is a proper subgroup of the first one. ≤ 1. Means "less than or equal to". That is, whatever A and B are, A ≤ B is equivalent to A < B or A = B. 2. Between two groups, may mean that the first one is a subgroup of the second one. ≥ 1. Means "greater than or equal to".
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.
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 ...
+ ∥ \lor or \vee \parallel logical (inclusive) disjunction: or propositional logic, Boolean algebra: The statement A ∨ B is true if A or B (or both) are true; if both are false, the statement is false.
Euler's identity asserts that is equal to −1. The expression e i π {\displaystyle e^{i\pi }} is a special case of the expression e z {\displaystyle e^{z}} , where z is any complex number . In general, e z {\displaystyle e^{z}} is defined for complex z by extending one of the definitions of the exponential function from real exponents to ...