Microsoft Excel isn't just for work. In fact, by leveraging just three single, powerful formulas, I use the popular ...

Excel multiplies the items in the first array (cost price) by the corresponding items in the second array (units sold) and then sums the results to give you the total. It is immediately clear what the ...

Drivers in Pennsylvania will have to put down the phone while they're behind the wheel. A new law banning the use of hand-held cell phones while driving went into effect Thursday. It's called "Paul ...