Area graphs are good for showing the cumulative sums of related data. This example uses and area graph to display the sales figures by month of 3 products. This chart style makes it easy to see the trend in the total value of sales and also which of the three products are most influential in the trend.
JPowered provides software to enable web developers to easily incorporate dynamic graphs and charts into web sites and applications.
A series of easy to follow Tutorials have been produced to enable quick development and show some of the more advanced and dynamic applications.