What is Bedmas?
It’s a very handy mnemonic acronym for remembering the order in which to solve a mathematical expression:
Rackets ( in brackets )
Exponents
Division
Multiplication
Addition
Subtraction
In French, we often simply refer to it as the order of operations rule :
You always start with parentheses , then exponents (powers), then division and multiplication , from left to right , and finally addition and subtraction , always from left to right .
The brain, a logical tool to maintain it