This is freeware. It uses MATLAB fsolve to solve up to 99 nonlinear
algebraic equations with a Graphical User Interface (GUI). 
User can also use its File menu to generate a single .m file that 
can be run separately to obtain the same results. MATLAB V.7 or 
above is required. Source code of this software is available upon request. 

How to run the software?
1. Unzip the files into a directory. 
2. Type fsolveGUI in the MATLAB command console.

-Tingyue Gu (gu@ohio.edu)