Generally, you can deduct on Schedule A (Form 1040) only the amount of your medical and dental expenses that is more than 10% of your AGI. But if either you or your spouse was born before January 2, 1950, you can deduct the amount of your medical and dental expenses that is more than 7.5% of your AGI.
What to look for. Boolean operators form the basis of mathematical sets and database logic. 1  They connect your seach words together to either narrow or broaden your set of results. 2  The three basic boolean operators are: AND, OR, and NOT.
A search operator (sometimes referred to as a search parameter) is a character or string of characters used in a search engine query to narrow the focus of the search. In mathematics and computer science, operators are characters or sequences of characters that represent an action or cause an action to be performed.