FG3 - FX Graph 3 File is a file extension that can be used by FX Graph 3 software program. If you are already using this program, then the extension will do you a lot of good.
The program is specifically for creating plots and many other graphs that are mathematical. The features and benefits are endless. You will have the ability to store interactive graphs, and do much more. You will also be able to benefit from the use of adjustable variables and even parameters that may cause the graph to be redrawn once you have changed it.
You should also be aware that later versions of FX Graph only use the .FXG extension. If you want more information, you will be able to go online and read a few reviews from users off of the download page. It definitely comes in handy when you need it the most. File extensions are not required, but they will help give your current program a little boost if you desire it.
Overall, this extension is worth a try. It works just like an update so you can use it to your advantage and gain a lot more out of the already current program you are using.