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### Order of Operations

The order of operations, or operator precedence, simply means that some operations take precedence over other operations in a formula. For example, in the formula =C2+D2*E2, the multiplication of D2 times E2 takes precedence, so D2 is multiplied by E2 and then the value in cell C2 is added to the result.

You can force the precedence of an operation by using parentheses. For example, if you want C2 and D2 added before they are multiplied by E2, the formula would have to be written =(C2+D2)*E2.

The natural order of math operators follows:

 1st Exponent (^) and calculations within parentheses 2nd Multiplication (*) and division (/) 3rd Addition (+) and subtraction (–)

In the case of operations such as multiplication and division, which operate at the same level in the natural order, a formula containing the multiplication operator followed by the division operator will execute these operators in the order they appear in the formula from left to right. If you don't take this order into consideration, you could run into problems when entering your formulas. For example, if you want to determine the average of the values in cells A1, B1, and C1, and you enter =A1+B1+C1/3, you'll get the wrong answer. The value in C1 will be divided by 3, and that result will be added to A1+B1. To determine the total of A1 through C1 first, you must enclose that group of values in parentheses: =(A1+B1+C1)/3.

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