This phrase stands for and helps one remember the order of Parentheses Exponents Multiplication and Division and Addition and Subtraction. In mathematics and computer programming the order of operations or operator precedence is a collection of rules that reflect conventions about which procedures to perform first in order to evaluate a given mathematical expression. Order of Operations Calculator.
Add and Subtract rank equally and go left to right So do it this way.
If multiplication comes first do it before dividing. For example take the expression 4cdot 7-2. The order of operations tells us the order to solve steps in expressions with more than one operation. There are a couple of things to remember when applying the PEMDASBEDMAS order of operations.