please excuse my dear Aunt Sally
English
[edit]Etymology
[edit]Ultimately from PEMDAS.
Phrase
[edit]please excuse my dear Aunt Sally
- (mathematics) A mnemonic used to help people remember the order of operations, in the PEMDAS order.
Usage notes
[edit]- This mnemonic leads many to the notion that multiplication is precedent to division, and addition to subtraction; however, these are within the pairs equal in precedence and resolved from left to right.