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u+00d7 × multiplication sign The division sign ( ÷ ) is a mathematical symbol consisting of a short horizontal line with a dot above and another dot below, used in Anglophone countries to indicate the operation of division .
In mathematics, summation is the addition of a sequence of numbers, called addends or summands; the result is their sum or total.Beside numbers, other types of values can be summed as well: functions, vectors, matrices, polynomials and, in general, elements of any type of mathematical objects on which an operation denoted "+" is defined.
In mathematics, a product is the result of multiplication, or an expression that identifies objects (numbers or variables) to be multiplied, called factors.For example, 21 is the product of 3 and 7 (the result of multiplication), and (+) is the product of and (+) (indicating that the two factors should be multiplied together).
unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) 1670 (with the horizontal bar over the inequality sign, rather than below it) John Wallis: 1734 (with double horizontal bar below the inequality sign) Pierre Bouguer
In mathematics, vector multiplication may refer to one of several operations between two (or more) vectors. It may concern any of the following articles: Dot product – also known as the "scalar product", a binary operation that takes two vectors and returns a scalar quantity. The dot product of two vectors can be defined as the product of the ...
Cross-multiplication is a shortcut, an easily understandable procedure that can be taught to students. Use This is a common procedure in mathematics, used to reduce ...
The ampersand, also known as the and sign, is the logogram &, representing the conjunction "and". It originated as a ligature of the letters of the word et ( Latin for "and"). [ 1 ]
When dealing with scalars, it is interchangeable with the multiplication sign (×), as long as the multiplication sign is between numerals such that it would not be mistaken as variable . For instance, 2 ⋅ 3 y {\textstyle 2\cdot 3y} means the same thing as 2 × 3 y {\textstyle 2\times 3y} .