Quote Originally Posted by nadroj View Post
In your .cpp file for class "RLC_Series_Cct" your using a variable named "MaxFreq", which was never declared in that file or the header file for this same class. Note that this variable is declared in class "Simulation", and maybe your confusing it with that variable. I haven't read your description or actual code, just telling you why you're getting this error (you then decide which is the best/appropriate solution).
MaxFreq is useed in the Simulation Cpp file "cin << maxFreq" from within Userdisplay function.