While it's not as easy as tapping a few keys on a calculator, you can use Microsoft Excel to perform simple math, such as multiplying numbers. In order to do this, you'll need to learn Excel's ...

This summer, battle lines were drawn over a simple math problem: 8 ÷ 2(2 + 2) = ? If you divide 8 by 2 first, you get 16, but if you multiply 2 by (2 + 2) first, you get 1. So, which answer is right?