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## O |
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## Occupancy | |

## Offered LoadSee load. | |

## OROperations Research, the science that uses mathematical models to improve business operations. Also known as Management Science, therefore sometimes called OR/MS. See also www.informs.org. | |

## Order of OperationsWhen we speak about operations mathematically, it means things like add, subtract, multiply, divide, squaring, etc. Remember: If it isn't a number it is probably an operation.
7 + (6 × 5 ... what part should you calculate first? Start at the left and go to the right? Or go from right to left?
Do things in Parentheses First. Example:
source: mathisfun.com | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||