<Li> Most common in the UK, India and Australia are BODMAS meaning "B" rackets, "O" f or "O" rder, "D" ivision, "M" ultiplication, "A" ddition and "S" ubtraction . Nigeria and some other West African countries also use BODMAS . Similarly in the UK, BIDMAS is used, standing for "B" rackets, "I" ndices, "D" ivision, "M" ultiplication, "A" ddition and "S" ubtraction . </Li> <P> In some English speaking countries, Parentheses may be called Brackets, or symbols of inclusion and Exponents may be called either Indices, Powers or Orders, which have the same precedence as Roots or Radicals . Since multiplication and division are of equal precedence, M and D are often interchanged, leading to such acronyms as BOMDAS . The original order of operations in some countries was BODMAS, which stands for Brackets, Orders or pOwers, Division, Multiplication, Addition, Subtraction . The O is sometimes associated with Of . This mnemonic was common until exponentials were added into the mnemonic . </P> <P> These mnemonics may be misleading when written this way, especially if the user is not aware that multiplication and division are of equal precedence, as are addition and subtraction . Using any of the above rules in the order "addition first, subtraction afterward" would incorrectly evaluate the expression </P> <Dl> <Dd> 10 − 3 + 2 . </Dd> </Dl>

Is addition before subtraction in order of operations