In order to prove NGNC as the quality as Java, use Symbian transplant as the first major measures!
The original NGNC sample program NGNCalc2x is now transplanted to a real event drive architecture and implemented in the Windows platform, namely NGNCalcw.
Here is its DEMO connection:
http://www.negnc.net/ngncalc2x/calc2w.zip
The interface is as follows:
Operation: Please browse "Readme file .txt" in ZIP.
Below is the skin of the calculator: