Tool to remove unnecessary parentheses in mathematical expressions. Some parentheses or braces or brackets are redundant according to priority of math operators.

Remove Parentheses - dCode

Tag(s) : Mathematics

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Tool to remove unnecessary parentheses in mathematical expressions. Some parentheses or braces or brackets are redundant according to priority of math operators.

Enter a mathematical expression including parentheses and click on the button. If unnecessary or redundant parentheses are detected then the expression can be simplified (visually).

Example: ((a*b)+(c*d)) can be rewritten without parenthesis in a*b+c*d

Example: (a+b)*(c+d) can not be simplified

The rules to remove the parentheses are simple and depend on the precedence of mathematical operators. Exponentiations precedence over multiplication and division have themselves priority over addition and subtraction.

In mathematics, there is an order for operators:

1 - calculations in parentheses

2 - exhibitors

3 - multiplications and divisions

4 - additions and subtractions

The only necessary parentheses are those that require a different order in the calculation of an expression. The others can be deleted.

It is possible to remove some parentheses preceeded by a - sign. Indeed, the subtraction operation equals the addition of the opposite.

Example: 'a-(b+c) is equivalent to a+(-b-c) or a-b-c

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Source : http://www.dcode.fr/parentheses-removal

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