If you've been working with Excel for quite some time now, you've probably scratched your head many times trying to come up with the correct formulas. Sure, you can take one of the dozens of Excel ...

The open source community has created many open source Java projects, which range from charting software to game frameworks to word processors. In this post, I introduce an open source library project ...

Not everyone is an Excel spreadsheet expert and you may not always know how to write the formulas you need for a given data set. If you're having trouble figuring out the right formula for your data ...