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.
Quick Answer. Three Boolean operators are the search query operators and, or and not.. Each Boolean operator defines the relationships of words or group of words with each other. Another Boolean operator is the symbol (), which sets the order of considered relationships when multiple Boolean phrases are combined.