>every elementary school student has to memorize "please excuse my dear aunt sally" In Indian schools it used to be BODMAS, for Brackets Of Division Multiplica

>every elementary school student has to memorize "please excuse my dear aunt sally" In Indian schools it used to be BODMAS, for Brackets Of Division Multiplication Addition Subtraction, for operator precedence, for which our teachers told us the mnemonic was badmaash, meaning a scoundrel or a villain, in Hindi. Guaranteed to make kids remember it. :) Of, as in half or a quarter or ... of some other number.