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Order of Operations
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The use of parentheses allows you to control, or change, the regular order of operations. For example, if you have the expression 4 + 2 * 3, under the normal order of operations, you would perform the multiplication before the addition. To perform the addition first, you just add parenthesis so the expression reads (4 + 2) * 3 instead.
The order in which calculations are performed in a formula is called the order of operations.
It depends on your formula, but you may need them to change the order of operations.
The order in which calculations are performed in a formula is called the order of operations.
If you put in parentheses, you can change the order of operations in many cases, as parentheses come before everything in the order of operations.
Order of Operations
If you change the order of operations, you will get a different result. The person who wrote the expression had a specific order of operations in mind (using generally-accepted rules), so arbitrarily using some other order of operations is, quite simply, wrong.
83 + 2 = 85 (Excel formula: =83+2)
The use of parentheses allows you to control, or change, the regular order of operations. For example, if you have the expression 4 + 2 * 3, under the normal order of operations, you would perform the multiplication before the addition. To perform the addition first, you just add parenthesis so the expression reads (4 + 2) * 3 instead.
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They are used to change the order in which arithmetic operations are to be carried out.