For example take the problem. 2 15 2 6. A ddition and S ubtraction left-to-right Divide and Multiply rank equally and go left to right.
This phrase stands for and helps one remember the order of Parentheses Exponents Multiplication and Division and Addition and Subtraction.
Parentheses or round brackets square brackets or box brackets braces or curly brackets angle brackets. Parentheses outrank exponents which outrank multiplication and division but multiplication and division are at the same rank and multiplication and division outrank addition and subtraction which are together on the bottom rank. 10 1 14 x 8 445 10 1 x 8 445 10 8 445 2 445. Really clear math lessons pre-algebra algebra precalculus cool math games online graphing calculators geometry art fractals polyhedra parents and teachers areas too.