Latest reason to keep my resume updated

I'm explaining the formula for KEI Rating, used for calculating likelihood of a given site being found by a a user on a search engine. An excerpt from the conversation:

Me: So take the square of the users searching for the keyword...
Boss: Say that again?
Me: The square of the number of users searching for the keyword.
Boss: My math's rusty. What's "square of"?

This is the guy in charge of budgeting the company expenditures.