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1.
The mental process of estimating the respective weights of the other passengers in an elevator. Then comparing it to the maximum weight posted next to the fire inspection sign to see if its safe.
After that big fat guy and the kid in the wheel chair got on, I redid the Elevator Arithmetic and decided I was going to take the stairs.
by Ben Faulding March 21, 2006

Words related to elevator arithmetic

elevator fat people math passengers scenic route stairs weight