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| | Mathematical notation - Wikipedia, the free encyclopedia |
 | | Mathematical notation is used in mathematics, and throughout the physical sciences, engineering, and economics. |
 | | The notation uses symbols or symbolic expressions which are intended to have a precise semantic meaning. |
 | | For example, if the symbols represent numbers, the expressions are evaluated according to a conventional order of operations which provides for calculation, if possible, of any expressions within parentheses, followed by any multiplications and divisions done from left to right, finally any additions or subtractions done from left to right. |
| en.wikipedia.org /wiki/Mathematical_notation (939 words) |
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