P

Parentheses (or other groupings) are first,
Do operation(s) inside the (PARENTHESES) first.

E

Exponents are next,
Work on any POWERS or ROOTS from left-to-right.

M, D

Then Multiplication or Division:
Complete each, as it occurs, working from left-to-right.

A, S

Finally, Addition or Subtraction:
Complete these operations as they appear, working from left-to-right.