function t=thanks5(varargin)
 %This function is designed to reduce the load on the programme (to avoid repitition)
 %This function present return back option for the ac switch part of acdc.m 
 %This programme runs with "acdc.m"
  if (nargin == 0)
 insert 
 h=msgbox('Vdc=Vm*(1-cos(a))/6.28','Equation','custom',Data,flag(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,cool(64))
 pause(1)
 closereq
  %************************************************************************
 elseif (nargin ==1)
 insert
 h=msgbox('Vrms=Vm/2*sqrt((pi-a-sin(2*a)/2)/pi)','Equation','custom',Data,flag(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,hsv(64))
 pause(1)
 closereq
  %*********************************************************************  
 elseif (nargin ==2)
 insert
 h=msgbox('Idc=Vm*(1-cos(a))/(6.28*R)','Equation','custom',Data,winter(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,hot(64))
 pause(1)
 closereq
 %*********************************************************************  
 elseif (nargin ==3)
 insert
 h=msgbox('Irms=(Vm/2*sqrt((pi-a-sin(2*a)/2)/pi))/R','Equation','custom',Data,hot(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,gray(64))
 pause(1)
 closereq
  %*********************************************************************  
 elseif (nargin == 4)
 insert
 h=msgbox('Vdm=Vm/pi','Equation','custom',Data,autumn(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,lines(64))
 pause(1)
 closereq
   %*********************************************************************  
 elseif (nargin == 5)
 insert
 h=msgbox('Vn=Vdc/Vdm','Equation','custom',Data,summer(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,bone(64))
 pause(1)
 closereq
    %*********************************************************************  
 elseif (nargin == 6)
 insert
 h=msgbox('Pdc=Vdc*Idc','Equation','custom',Data,colorcube(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,prism(64))
 pause(1)
 closereq
     %*********************************************************************  
 elseif (nargin == 7)
 insert
 h=msgbox('Pac=Vrms*Irms','Equation','custom',Data,jet(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,white(64))
 pause(1)
 closereq
      %*********************************************************************  
 elseif (nargin == 8)
 insert
 h=msgbox('Eta=Pdc/Pac','Equation','custom',Data,winter(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,copper(64))
 pause(1)
 closereq
       %*********************************************************************  
 elseif (nargin == 9)
 insert
 h=msgbox('FF=Vrms/Vdc','Equation','custom',Data,cool(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,hsv(64))
 pause(1)
 closereq
        %*********************************************************************  
 elseif (nargin == 10)
 insert
 h=msgbox('RF=sqrt(FF^2-1)','Equation','custom',Data,summer(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,spring(64))
 pause(1)
 closereq
         %*********************************************************************  
 elseif (nargin == 11)
 insert
 h=msgbox('Vs=.707Vm','Equation','custom',Data,lines(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,flag(64))
 pause(1)
 closereq
         %*********************************************************************  
 elseif (nargin == 12)
 insert
 h=msgbox('Is=.3536Vm/R','Equation','custom',Data,white(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,gray(64))
 pause(1)
 closereq
          %*********************************************************************  
 elseif (nargin == 13)
 insert
 h=msgbox('VA=.707Vm*.3536Vm/R','Equation','custom',Data,pink(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,jet(64))
 pause(1)
 closereq
           %*********************************************************************  
 elseif (nargin == 14)
 insert
 h=msgbox('TUF=Pdc/VA','Equation','custom',Data,hot(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,bone(64))
 pause(1)
 closereq
            %*********************************************************************  
 elseif (nargin == 15)
 insert
 h=msgbox('1/TUF','Equation','custom',Data,cool(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,hot(64))
 pause(1)
 closereq
             %*********************************************************************  
 elseif (nargin == 16)
 insert
 h=msgbox('PIV=Vm','Equation','custom',Data,hsv(64),CreateStruct);
 pause(1)
 closereq
 msgbox('Thanx For Using My Programme ','','custom',Data,colorcube(64))
 pause(1)
 closereq
end