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.
This is commonly known as Boolean search and is one of the most elementary techniques you can use in your search efforts (as well as one of the most successful). 1  These techniques are simple, yet remarkably effective, and they tend to work in nearly all search engines and search directories on the Web.