Add two input values in quadrature.

  
% quadadd.sh --help

Usage: quadadd.sh  0.182 0.355 N  
arg1 - X2 
arg2 - x2 
arg3 - run in debug/verbose mode (Y/N) 

Example:
% quadadd.sh  0.182 0.355 N   
         0.39893