Answer:
It stands for Parentheses, Exponents, Multiplication/Division, Addition/Subtraction. PEMDAS is often expanded to the mnemonic "Please Excuse My Dear Aunt Sally" in schools. Canada and New Zealand use BEDMAS, standing for Brackets, Exponents, Division/Multiplication, Addition/Subtraction.
For MS Word 2010 and higher
Go to "View" and find checkbox "Ruler"
A pronciple of composition used fir centuries by artists and photographers or it is a method when used to frame a composition properly
