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 can get kind of confusing but it's important to see some examples in order to familiarize yourself with the idea here. Just know the Boolean Operators AND, OR and NOT exist between keywords and each operator has a different purpose which will effect your search results in different ways.You see the last example even uses parenthesis () called nesting and has a specific purpose that will be explained below. boolean search might look like this: toads AND stools, or toads OR stools, or toads OR stools AND ponds, or even (toads OR stools) AND ponds.