I'd like to recommend here a great application call Jabp here. It's a financial application written in Java, so it works on any computer (and quite a few smart-phones) as long as it has the Java interpreter installed. Since it's written in Java, it can adapt itself to any size screen, which is nice when you only have a 7" screen to work with. My only gripe with it? You have to start it from the terminal/command line, so if you accidentally close that window, you lose your work!