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The multiplication sign ... In algebra, it is a notation to resolve ambiguity (for instance, "b times 2" may be written as b⋅2, ...
To reduce confusion between the multiplication sign × and the common variable x, ... In algebra, a number that is the multiplier of a variable or expression ...
See History of algebra: The symbol x. 1637 [2] René Descartes (La Géométrie) √ Ì… . radical symbol (for square root) ... multiplication sign (for cross product)
For example, multiplication is granted a higher precedence than addition, and it has been this way since the introduction of modern algebraic notation. [2] [3] Thus, in the expression 1 + 2 × 3, the multiplication is performed before addition, and the expression has the value 1 + (2 × 3) = 7, and not (1 + 2) × 3 = 9.
× (multiplication sign) 1. In elementary arithmetic, denotes multiplication, and is read as times; for example, 3 × 2. 2. In geometry and linear algebra, denotes the cross product. 3. In set theory and category theory, denotes the Cartesian product and the direct product. See also × in § Set theory. · 1.
The majority of Mesopotamian clay tablets date from 1800 to 1600 BC, and cover topics which include fractions, algebra, quadratic and cubic equations, and the calculation of regular, reciprocal and pairs. [13] The tablets also include multiplication tables and methods for solving linear and quadratic equations.
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