These people who need to do the financial statemens maybe will feel so headche for the precision numbers and complex calculations. But the Flex has strong performance on making statements. There is a open source package name is Money on fxcomps.com. It claims that “The Money library (version: 1.3.1) is developed for calculating with arbitrary-precision signed decimal numbers and money.” If you have the problem on money why not try it at once?
The code basic on BSD License, it means that business user could also use. Following is the project address.