Households at the top saw the biggest gains. Those at the bottom stagnated. But what about the people in between? Here's the story of income inequality in America over the past 40 years. Hover over ...

Revenue charts make handy visual tools for displaying a company's gains and losses during a specific fiscal period. This type of chart shows the income a company makes from product or service sales. A ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...