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Multiplication (often denoted by the cross symbol "×", by a point "⋅", by juxtaposition, or, on computers, by an asterisk "∗") is one of the four elementary mathematical operations of arithmetic; with the others being addition, subtraction and division.
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"Multiplication Calculator" Math @ STANDS4. STANDS4 LLC, 2018. Web. 14 Dec. 2018. <http://math.stands4.com/calculators/multiplication>.